Psychiatry Flashcards

(262 cards)

1
Q

What are the 3 core symptoms of depression

A

Low/depressed mood
Anhedonia - loss of interest/pressure
Anergia

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2
Q

What are other typical symptoms of depression

A
  • Poor Appetite
  • Disrupted Sleep
  • Psychomotor Retardation (sluggish) or agitation
  • Decreased Libido
  • Reduced ability to concentrate
  • Feeling of worthlessness and inappropriate guilt
  • Recurrent suicidal thoughts/attempts
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3
Q

What is the Diagnosis of Depression

A
  • 2 core symptoms (Severe = 3) + 2 or more typical symptoms
  • Symptoms present throughout the day
  • For every/nearly every day
  • For > 2 weeks
  • Must represent change from normal personality
  • Without drugs/alcohol, medical disorders or bereavement
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4
Q

What are the causes of depression

A

Biological - Hereditary, Familial, Low monoamine (Low serotonin, Low dopamine, Low noradrenaline)
Psychological - Personality trait, Low self esteem
Social - Disruption due to life events, stress and social isolation

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5
Q

What may be symptoms of severe depression

A

Cotard Syndrome - Nihilistic Delusions
Auditory and Visual Haluucinations
Delusions

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6
Q

What are differentials for depression

A
Psychotic Disorders 
Dysthymia
Substance Misuse 
Dementia 
Sleep and Neurological Disorders 
Physical Illness 
Medication SE e.g Beta Blockers
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7
Q

What conservative management can be done for depression

A
Exercise 
Engaging in productive activity 
Socialising 
Improving Sleep - good sleep hygiene
Relaxation Techniques
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8
Q

How is mild depression managed

A

Low intensity psychological interventions - sleep hygiene, anxiety management, guided self help (books, websites and apps), computerised CBT

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9
Q

How is moderate depression managed

A

Combination of Antidepressant + high intensity psychological intervention (CBT), group therapy, family therapy

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10
Q

How is severe depression managed

A
This includes psychotic depression, increased risk of suicide and atypical depression - THINK:
S uicide plan
U nexplained guilt or worthlessness
I nability to function
C concentration impaired 
I mpaired appetite 
D creased sleep
E energy low 

Urgent - Rapid mental health assessment and maybe inpatient admission - Give ECT &/or rapid prescription of Antidepressants

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11
Q

What are the NICE guidelines for Antidepressants

A

1st line: SSRI e.g Sertraline, Citralopram and Fluoxetine (<18yrs)
2nd line: Alternative SSRI
3rd line: SNRI (venlafaxine) or NaSSA/Tetracyclic (mirtazapine) if two SSRIs haven’t worked
4th line: Lithium, TCA, Monamine Oxidase Inhibitors

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12
Q

What are side effects from ECT

A

Amnesia
Headaches
Confusion

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13
Q

When is ECT used

A

When other treatments have been ineffective and a condition is life threatening (severe manic episode, severe depression, catatonia)

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14
Q

What is one contraindication for ECT

A

Cochlear Implant

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15
Q

What are the SE of SSRIs

A

The 8S’s

  • Sodium (low)
  • Serotonin Syndrome
  • Sexual Dysfunction
  • Sleep (insomnia)
  • Sickness (nausea/vomiting) and Stomach Upset (diarrhoea, constipation, abdo pain)
  • Size (weight gain)
  • Stress
  • Suicide (first 2 weeks increased risk of suicide)
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16
Q

How long do SSRIs take to work and what should you be aware of when starting them

A

Can take up to 4 weeks to work there may be initial worsening of symptoms and increased risk of suicide

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17
Q

Once effective dose of antidepressant how long should they be continued for and what symptoms can occur if you stop them suddenly

A

6 months

Flu like symptoms, headaches, shock like sensations, dizziness, insomnia - withdraw over 4 weeks or longer to reduce these

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18
Q

How do SSRIs work

A

Prevent reuptake of serotonin in the synaptic cleft therefore increasing Serotonin levels

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19
Q

What does mirtazapine do

A

Mirtazzzzapine makes you sleepy (Zzz)

Weight Gain

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20
Q

What is serotonin Syndrome

A
A life threatening condition caused by to much serotonin (co-administration of some antidepressants or not cross tapering can cause it) 
Classic Triad: 
- Neuromuscular Excitability 
- Autonomic Dysfunction 
- Altered Mental Status

Symptoms: Hyperthermia, Diaphoresis, Hypertension, Tachycardia, N/V, diarrhoea, Tremor, Hypertonia/rigidity, Hyperreflexia, Confusion, Seizure

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21
Q

How is serotonin syndrome managed

A

Immediately stop Antidepressants
Supportive care: fluid replacement, antihypertensives
Benzodiazepines: to sedate
Cooling Methods

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22
Q

What can antidepressants sometimes induce

A

A manic episode

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23
Q

What is a side effect of Citralopram

A

Dose dependent prolongation of QT interval so check ECG - unnoticed can lead to Torsades de Pointes

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24
Q

What is Mania

A
  • Abnormally elevated, expansive or irritated mood and increased goal directed behaviour, energy and activity not attributable to organic psychic disorder or psychotropic substances
  • Lasting for at least a week
  • Significantly impairs function
  • Patient requires hospitalisation
  • There may be psychotic symptoms
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25
What is hypomania
- Abnormally elevated, expansive or irritated mood and increased goal directed behaviour, energy and activity not attributable to organic psychic disorder or psychotropic substances - Lasting at least 4 days - Does not significantly impair function, hospitalisation or present - No psychotic features
26
What symptoms may be seen in mania/hypomania
Mood: - Irritability, Euphoria, Elevated mood Behavior: - Increased goal directed activity (Hyperactivity, Hyper-sexuality, increased libido, increased socialising, new projects) - Increased talkativeness and pressure of speech - Loss of social inhibition ( socially and sexually inappropriate, reckless actions) - Decreased need to sleep Cognition: - Flight of Ideas and Racing thoughts - Heightened self esteem/grandiosity - Distractibility/Poor Concentration Psychotic Symptoms: (definite manic) - Delusions - Hallucinations
27
What is the main difference between mania and hypomania
The severity of symptoms e.g significant impairment of function, hospitalisation etc.
28
What is Bipolar Disorder
A disorder characterised by two or more episodes in which patients mood/activity levels are significantly disturbed consisting of episodes of mania/hypomania +/- depression
29
What is Bipolar 1
Manic episodes WITH OR WITHOUT major depressive episodes
30
What is Bipolar 2
Hypomanic episodes AND major depressive episodes
31
What is Cyclothymia
- Cyclical moods of hypomania and depression but not severe enough to meet diagnosis of bipolar - Symptoms have to last at least 2 years, present at least half the time and never absent for longer than 2 months
32
What is rapid cycling
Patients have 4 or more episodes of depression, mania or hypomania in one year
33
What could be a differential for bipolar
Substance/Medication induced bipolar/mania - occurs during/shortly after intoxication/ withdrawal - Alcohol - Steroids - Illicit Substances e.g amphetamines, cocaine - Antidepressants
34
What Ix should be done for bipolar
``` Clinical Diagnosis ALWAYS assess suicide risk Screen for drugs and toxins e.g urine Infections Past Fx - strong genetic component CT ```
35
How should acute mania be managed
Any SG Antipsychotics - rapid onset of action for agitated patients
36
After successful management of a manic/depressive episode what needs to be given for long term maintenance of bipolar
A Mood Stabiliser - Lithium - Sodium Valproate (SE: hair) - Lamotrigine (SE: rash/SJS) - Carbamazepine (SE :rash/neutropenia) - 2nd Line: Olanzapine Psycho: Talking therapy Social: Family or carer support/employment/ activity support/education
37
Why does lithium blood concentration have to be checked regularly
It has a narrow therapeutic index (small changes in dose/blood concentration can have severe effects) - Elderly show increased sensitivity to lithium
38
What adverse effects can lithium cause
Lithium toxicity from impaired renal function/nephrotoxicity from lithium - Loss of vision - D&V - Ataxia - Tremor - Dysarthria - Coma
39
How can severe depressive episodes be managed in Bipolar
Antidepressants should not be given before initiating therapy with mood stabilisers and it may lead to a manic episode (Antidepressants may be given after initiating mood stabilising therapy)
40
What are causes of anxiety
``` Genetic Predisposition Disruption of Serotonin System Substance Use Stress (work, home) Events (divorce, job loss, moving) Smoking Psychological Trauma e.g child abuse Medical conditions e.g CVS, hyperthyroidism, respiratory illness ```
41
How can anxiety present
Cognitive: Agitation, feeling of doom, poor concentration, insomnia, fatigue, obsessions, compulsions, worry, depression Somatic: Tension, trembling, sense of collapse, hyperventilation, headache, butterflies, sweating, palpitations, nausea Behaviours: Reassurance seeking, avoidance, dependence on person
42
What is generalised anxiety disorder
Prolonged and excessive anxiety which is generalised and not focused on a single specific fear for at least 6 months
43
What are non medical treatments for anxiety
- Symptom control: understanding somatic symptoms are not life threatening - Regular Exercise - Meditation - Mindfullness - Progressive Relaxation Training e.g deep breathing and relaxation of muscle groups - CBT - Behavioral Therapy - exposure and response therapy - Hypnosis
44
What are the medical treatments for anxiety
- 1st line: SSRIs + CBT (gold standard) - 2nd line: Pregablin - Benzodiazapines for short term management until SSRIs become effective (DO NOT USE IN GENERALISED ANXIETY DISORDER PEOPLE BECOME DEPENDENT ONLY SHORT TERM) - Beta Blockers can help somatic symptoms
45
What is panic disorder
1) Recurrent and unexpected panic attacks that occur without known trigger 2) Persistent worry/change in behaviour due to fear of recurrent attacks for at least a month 3) Not effects of substance 4) Not another Disorder
46
What is panic disorder often associated with
Agoraphobia (can't predict attacks which leads to avoidance)
47
How does Panic Disorder present
STUDENTS FEAR the 3Cs ``` Sweating Trembling Unsteadiness Derealisation Elevated HR Nausea Tingling SOB ``` FEAR of dying, losing control, going crazy Chest pain Choking Chills
48
How is Panic Disorder managed
CBT SSRIs Benzodiazepines - for managing acute attacks
49
What are phobic disorders
Anxiety experienced only or predominantly in certain well defined situations that aren't dangerous - resulting in situation being avoided or endured with dread
50
What are examples of Phobias
Agoraphobia Social Anxiety Disorder/ Phobia Simple Phobia
51
What is Agoraphobia
Pronounced fear of being in situations that are perceived difficult to escape from or difficult to seek help e.g crowds, travel, events away from home, open spaces, enclosed spaces for at least 6 months
52
What is social anxiety disorder/phobia
Pronounced anxiety for 6 months or longer of social situations that may involve scrutiny from others (don't want to be embarrassed or judged) Can be SAD (meeting new people, eating in front of people) or Performance only SAD (public speaking)
53
What are simple/specific phobias
Intense and persistent fears of one or more situations or objects when encountered or anticipation for encounter e.g arachnophobia, claustrophobia, haematophobia
54
How may phobias present
Catastphohic thoughts Panic Attacks Avoidance
55
How are phobias treated
Psychologial Therapy - exposure and response prevention SSRIs Beta Blockers and Benzodiazepines in acute situations
56
How can a new diagnosis of a psychiatric illness affect driving
DVLA need informing of a diagnosis of a psychiatric disorder and medication you are on
57
What SE can MAOIs cause
Hypertensive Crisis - Cheese and Red Wine
58
What is OCD
Characterised by: - Persistent and Recurrent Intrusive thoughts, urges and images which cause anxiety/distress (obsessions) - Leading to repetitive behaviours/rituals to reduce the distress/anxiety of an obsession (compulsion) - These are time-consuming and significantly impair function/daily life
59
What is OCD caused and associated with
Unknown Genetic + Environment Associations: - Tic Disorder - Personality Disorder - Mood Disorder
60
What are some examples of rituals
Cleaning Dressing Counting Checking
61
What is the treatment for OCD
Psychotherapy: Exposure & Response Prevention Therapy Medication: SSRI e.g Fluoxetine TCA e.g Clomipramine Social: Family Intervention, Support with Engagement, Employment, Education, Involvement in Activities, Carer Support
62
What is an acute stress reaction
A transient condition (hours to days) in reaction to a traumatic event resulting in dissociation and mixed emotions of anger, anxiety and confusion which impairs function It usually resolves with psyhological intervention e.g talking to friends and family
63
What is an adjustment disorder
A maladaptive behaviour or emotional response to a stressor resulting in impaired function that lasts under 6 months when the stressor is removed e.g cancer diagnosis, divorce
64
What is PTSD
A reaction to a traumatic event which significantly impairs function lasting longer than a month
65
What are the symptoms of PTSD
Intrusions e.g Intrusive thoughts of event, Flashbacks, Nightmares Avoidance e.g avoidance of thoughts, feelings, external stimuli associated with event Negative affected mood or cognition e.g guilt, fear and depression, memory loss/distortion, negative beliefs, detachment Arousal or Reactivity e.g Hyperarousal, Hyper-vigilance, easily startled, sleep disturbance
66
What are the comorbid conditions associated with PTSD
Depression Emotional Numbness Drug/Alcohol Abuse Anger/Violence
67
What can cause PTSD
``` Sexual Abuse - main cause War Combat Exposure Natural Disasters Accidents ```
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What is the treatment for PTSD
Psychotherapy: CBT and Eye Movement Desensitisation And Reprocessing (EMDR) Medications: SSRIs or SNRI SGA if presenting with psychotic symptoms Benzo can be used short term but REMEMBER addiction and dependence
69
What is Derealisation
Feeling of detachment from Surroundings
70
What is Depersonalisation
Feeling of detachment from ones body, thoughts and feelings (sometimes described as observing yourself from outside your body like a movie)
71
What can depersonalisation and derealisation lead to
Altered sense of time Emotionally/Physically numb Weak sense of self Trouble recognising people, places and objects
72
What is Dissociative Amnesia
A person is unable to recall periods of their life or events that happened in the past , they may also have forgotten a learned skill or talent
73
What is a symptom of dissociative amnesia
Inability to recall ones past with loss of identity/formation of a new identity with unexpected purposeful travel to a new location and act as a different person in different life (can last hours to months)
74
What can cause dissociation
Childhood Truama Trauma Substance Misuse Anxiety Disorder
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What is the treatment for dissociation
Psychotherapy: CBT
76
What criteria is used to diagnose Schizophrenia
Schneider
77
What are the 1st rank symptoms of Schizophrenia
1. Thought Disorder e.g. insertion, withdrawal, broadcast 2. 3rd Person Auditory Hallucinations in the form of Running Commentary or talking about them amongst themselves (thought echo) 3. Delusional Perception 4. Passivity
78
What are 2nd rank symptoms of Schizophrenia
1. Persistent hallucinations in any modality (somatic, visual, tactile) 2. Second person auditory hallucinations 3. Paranoid and Persecutory Delusions 4. Delusions of Reference
79
What are positive symptoms of Psychosis
Hallucinations Delusions Illusions Disorganised Thoughts and Speech Process e.g loosening of associations, word salad, neologisms, flight of ideas, circumstantial speech, tangential speech, pressured speech
80
What are negative symptoms of Psychosis
``` Blunted/Flat Effect Apathy Alogia/Poverty of Speech Anhedonia Emotional and Social Withdrawal Self Neglect Catatonia/ Psychomotor Retardation ```
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What are cognitive symptoms of Psychosis
Impaired Memory Inattention poor executive functioning
82
What are differentials for Psychosis
- Schizophrenia - recurrent/chronic disorder - Affective Psychosis - e.g depression/bipolar - Transient Psychotic Disorders e.g triggered by stress - Drug Induced by Psychosis - Schizoaffective Disorder - Schizophreniform Disorder - Delusional Disorder - Psychosis due to medical condition e.g brain tumour or head injury - Personality Disorders - Dementia
83
What is the diagnosis for Schizophrenia
Psychotic Symptoms lasting at least 6 months and are present much of the time (all other possible cases of psychosis need to be ruled out)
84
How is Schizophrenia managed
Psycho: CBT, Abstinence from drugs Medication: Antipsychotics Social: Family intervention, social support (housing, benefits, employment, education) support with engagement, carer support
85
Who are Psychosis patents referred to following the acute phase
The Early Intervention Team
86
What is Schizoaffective Disorder
Features of Schizophrenia and a major mood disorder (depression/bipolar) present at the same time without being caused by any other medical disorder or substance misuse (psychosis is the predominant feature) (Neither a variant of schizophrenia or mood disorder!!!!)
87
What is the treatment for Schizoaffective Disorder
Manage Both Conditions: - Antipsychotic - Mood Stabiliser
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What is Schizotypical disorder and how is it managed
A personality disorder characterised by odd and eccentric behaviour and magical thinking, may present a partial expression to schizophrenia Management: Treated without Medication
89
What is Schizophreniform and how is it managed
Given to disorders that don't reach the. threshold for Schizophrenia but have some symptoms of it and deterioration of function Management: Antipsychotics
90
What do antipsychotics do
Dopamine Antagonists - Block the D2 receptor | Reducing Dopamine Neurotransmission
91
What are the two broad groups of Antipsychotics
First Generation Antipsychotics - D2 Antagonists | Second Generation Antipsychotics/ Atypical Antipsychotics - D2 & 5HT2A Antagonists
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What are some examples of second generation antipsychotics
Clozapine Olanzapine Risperidone Quetiapine
93
What are some examples of first generation antipsychotics
Haloperidol Promethazine Chlorpromazine
94
What is the difference between first and second generation Antipsychotics
The SE: - FGA - are associated with higher risk of EPS - SGA - are associated with a lower risk of EPS but with higher risk of metabolic side effects
95
What are Extrapyramidal SE
Drug induced movement disorders caused by disruption of dopaminergic pathways Symptoms: - Acute Dystonia - continuous painful muscle spasms and contractions - Parkinsonism - Rigidity, Tremor, bradykinesia and shuffling gait - Akathisia - Restlessness - Tardive Dyskinesia - involuntary movements generally of the tongue, mouth and jaw e.g repetitive lip smacking and chewing
96
How can you manage EPSE
Try to reach lowest tolerate dose - Acute Dystonia: Anticholinergics (Procyclidine/Benztropine) or Antihistamines (Cyproheptadine) - Parkinsonism: Dose reduction, switch to SGA, Anticholinergic (Procyclidine/Benztropine) - Akathisia: Dose reduction, switch, Propranolol +/- Anticholinergic (Benztropine) Tardive Dyskinesia - May be irreversible
97
What are metabolic SE
Weight Gain Hyperglycaemia/Insulin Resistance - Diabetes Dyslipidaemia
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What are other SE of Antipsychotics
- Hyperprolactaemia - Prolonged QT - Sexual Dysfunction - erectile dysfunction, reduced libido, reduced arousal - CV effects - Olanazapine & Rispiridone can increase risk of stroke in elderly when used to treat dementia!!!, Myocarditis and Cardiomyopathy Daytime Drowsiness
99
What is a life threatening emergency associated with antipsychotics
Neuroleptic Malignant Syndrome
100
How does Neuroleptic Malignant Syndrome present
Fever Muscle Rigidity Autonomic Instability Delirium/Mental State Change
101
What will be seen on Investigations of Neuroleptic Malignant Syndrome
Markedly Raised Creatine Kinase | Leukocytes
102
What is the management of Neuroleptic Malignant Syndrome
Stop Antipsychotic!!!! Supportive measures - Admit to ICU Dantrolene - reduces fever/hyperthermia and muscle rigidity
103
What is Clozapine
Most popular drug for treatment resistant Schizophrenia (Wonder Drug)
104
What are Clozapine Risk
- Neutropenia and potentially fatal agranulocytosis - Prolonged QT complex, Fatal Myocarditis and Cardiomyopathy - Intestinal Obstruction (can be fatal)
105
Who is at high risk of Suicide
(Most common caused of death in men under 35) - Previous Suicide attempts - Mental Illness e.g Depression, Bipolar - Gender: male - Age: high risk in elderly - Marital Status: Widow>Divorced>Single>Married - Occupation: Highest risk in unemployed and retired - Ethnicity - Woman have higher suicide attempts but men have higher suicide success rate due to more lethal methods
106
What is important to assess after suicide attempt
- Circumstances of Act - What happened that day to make you do it - Background of act - how things have been preceding in months up to event - Relevant Family and Personal Hx - The intention behind the act: did they wish to die or did they want to be found/change a circumstance - Summary: Any plans, Other attempts, Any preparations e.g notes
107
How can survivors of Suicide be helped
Therapy Family Intervention if they want Treat Co-morbid conditions e.g Substance misuse, Depression, Anxiety Prevention Strategies e.g Samaritans, Doctors Admission???
108
Why do people self harm
``` Communicating a message Release from Psychological pain Gaining Power by escalating conflict Emotional Immaturity Inability to cope with stress Availability of Drugs ```
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What are risk factors for self harm
Witnessed: FHx, Friends, Celebrities Biological Development: Child neglect, physical, emotional and sexual abuse Peer Relations: Bullying, Conflicts Psychological: Identity Problems (culture, sexual orientation, borderline) Antisocial Behaviour: conduct disorder, substance misuse
110
How is self harm managed
Prioritise treatment of physical effects of self harm Assessment 1. Initial risk management: immediate risk of suicide 2. On going risk of subsequent self harm 3. Relevant psychiatric, medical, social issues
111
What is Delirium
Acute AND fluctuating: - altered level of consciousness - global impairment of cognitive function/ Disorganised Thinking - Inattention
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What are symptoms of Hyperactive Delerium
``` Agitated Aggressive Incoherent Speech Disorganised Thoughts Delusions and Disorientation Hallucinations Sleep Disturbance ```
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What are symptoms of Hypoactive Delirium
``` Sluggish Drowsy Less reactive/slow responses Sleep Disturbance Withdrawal ```
114
What are causes of Delirium
PINCH ME ``` Pain e.g post op Infection Nutrition Constipation Hydration ``` Medication Environment/Electrolytes
115
What medications can cause delirium
Anticholinergics!!!! Benzodiazepines Antidepressants/Antipsychotics Opioids
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Who are at high risk of developing delirium
Post operative patients Elderly Patients Multiple Comorbidities
117
What investigations should be performed for Delirium
``` U&Es and LFTs FBC Blood Gas Glucose Cultures (blood/MSU) Urine Toxicology ECG CT head CXR LP ```
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What are differentials for patients presenting with confusion on a ward
Delirium Delirium Tremens Dementia
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What are the differences between Dementia and Delirium
Dementia: Slowly Progressive Deterioration Early on - alert Clear consciousness ``` Delirium: Sudden acute onset Fluctuating levels of cognitive impairment and consciousness Inattention Reversible Often Visual Hallucinations present ```
120
How do you manage Delirium
Identify cause and treat it Medication: Haloperidol Avoid Sedation e.g Benzos Optimize surroundings: - Good daily routine and sleep hygiene - Proper lighting for time of day - Manage Noise - Engagement - glasses and hearing aids - Cognitive Stimulation e.g familiar objects and family
121
When may you give Benzodiazepines to treat Delerium
In patients who are delirious due to alcohol and benzodiazepine withdrawal Haloperidol is contraindicated as it lowers seizure threshold
122
What is Dementia
A chronic and Progressive global impairment of cognitive function (across multiple cognitive domains) that must impact on the general function of the patient
123
What are the Cognitive symptoms of Alzheimer's
``` The 4A's: Amnesia Aphasia Apraxia Agnosia ``` Executive Dysfunction Loss of Orientation
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What are the non cognitive symptoms of Alzheimers
Psychosis: Delusions and Hallucinations Mood: Anxiety, Depression Behaviour: Apathy, Agitation, Wandering, Aggression and Repetitive & Purposeless Activity Personality Change: misidentification, sexual disinhabition
125
what are risk factors for Alzheimers
``` Increasing age Sex - Female Low Intelligence/Education Family Hx APO E4 Downs Syndrome Head injury, Smoking, HTN, Diabetes ```
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What are protective factors for Alzheimers
APO E2 High Intelligence/ Education Oestrogen
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When can someone be given a diagnosis of Alzheimers
6 months
128
What medications can be used to slow progression Alzheimer's
Acetyl Cholinesterase Inhibitors - Rivestigmine or Donepezil NMDA Antagonist - Memantine
129
What is the presentation of Lewy body Dementia
``` Fluctuating Cognitive Impairment Visual Hallucinations Parkinsonian Symptoms REM sleep Disorder Memory Problems Autonomic Dysfunction - orthostatic Hypotension (INCREASED RISK OF FALLS), Urinary Incontience, Constipation ```
130
What is important to remember about Lewy body Dementia
They are very sensitive to Antipsychotic Medication - Can lead to severe Parkinsonism, hallucinations and even loss of Consciousness
131
How does Frontal Temporal Dementia present
``` Behaviour/Personality Change Social and Interpersonal Inhibition Emotional Blunting/Unconcern Poor insight Speech Problems Poor motivation and loss of attention ```
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How does Vascular Dementia present
History of Strokes/TIAs - leading to sudden onset and stepwise deterioration Memory Problems Mild Decline: in thinking, reasoning and information processing Evidence of focal brain damage
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How is Dementia Ix
Full Collateral Hx Memory Assessment - MOCA, Addenbrookes, ACE 3, (FAB - Frontal temporal dementia) Functional Assessment FBC B12 and Folate - major cause of cognitive impairment TSH (hypothyroidism) U&E, LFTs - renal/hepatic failure, alcoholism Serology - Syphilis/HIV CT/MRI
134
How is Dementia Managed
- Acetyl Cholinesterase Inhibitors - mainly Alzheimers - NMDA Antagonists - mainly Alzheimers - Depression - SSRIs - Behaviour and Psychological Symptoms of Dementia - Antipsychotics - Carer Assessment & Support - Risk Assessment - Environmental Adaptions - for mobility and accommodation (institutionalised care) - Therapies - Music, ART etc.
135
What is in the criteria for substance misuse disorder
- Strong Desire to take Substance (craving) - Impaired Control of substance use - Withdrawal State: when reducing or ceasing use - Tolerance - Continuously having to increase dose - Progressive neglect of self, others, pleasures, interests - Risky use - persisting use despite harmful consequences snd using in hazardous situations e.g work, driving
136
What is tolerance
Need for individuals to continuously increase the dose of a substance to achieve same desired effect
137
What is withdrawal
Substance dependent collection of symptoms that appear after cessation of prolonged heavy drug use
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What symptoms may be seen in an opioid overdose
``` Pin point pupils (miosis) Hypotension Bradycardia Respiratory Depression Altered conscious state ```
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What symptoms may be seen in a cocaine overdose
``` Mydriasis Hypertension Tachycardia Ataixa Seizures ```
140
What is complications of cocaine
Tachycardia + Cociane induced vasospasm and vasoconstriction = Causing MI and maybe death
141
What symptoms may be seen in an amphetamine overdose
- Increased Libido - Mydriasis - Raised Body Temp and Sweating - Hypertension - Tachycardia and Arrhythmias - Hyponatremia: Dry mouth and sweating leads to increased thirst leading to drinking water without electrolyte repletion leading to hyponatraemia causing seizures and cerebral oedema - Overdose - Serotonin Syndrome
142
How are cocaine and amphetamine toxicity managed
ABCDE Fluid Therapy Control Hypertension and Arrhythmias Benzodiazepines
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How may cannabis in-toxicity present
``` Mydriasis Hallucinations/Confusion Mild Tachycardia Dysphoria/ Anxiety Conjunctival Injection (red eyes) Increased Appetite Dry mouth Impaired concentration, reaction time and concentration ```
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How do you manage opioid intoxication
ABCDE IV Naloxone (opioid antagonist) Manage complications
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How does opioid withdrawal present
Flu like symptoms GI complaints: N&V, cramps, diarrhoea Sympathetic Hyperactivity: Tachycardia, Mydriasis, hypertension, hypertension CNS stimulation: irritability, insomnia, aggression
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How do you manage opioid withdrawal
Methadone - daily observed dosing Nalteroxone - (long duration opioid antagonist) used for withdrawal treatment after acute detoxification Psychological Support - Counselling, CBT, address triggers
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What is gambling disorder
Addictive disorder in which individual feels a compulsion to gamble despite the negative consequences &/or multiple attempts to stop
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What are the diagnostic criteria for gambling
12 month period 4 of below: - Relying on others for financial support - Restlessness when attempting to stop - Constant preoccupation with gambling - Continuous gambling in attempt to undo losses - Jepordising relationships and careers as a result of gambling - Numerous failed attempts to quit gambling - Lying to others to conceal extend of gambling - Belief that gambling helps relieve dysphoria
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How can Gambling disorder be managed
Group therapy (gambling anonymous) CBT Treat underlying psychiatric disorder (often occurs with substance misuse and anxiety)
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What are features of alcohol addiction
``` Features of increased tolerance and dependence Features of acute alcohol intoxication Features of alcohol withdrawal Difficulty/Failure of Abstinence Compulsion/Craving to Drink ```
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What are features of alcohol intoxification
- Increased agitation - disinhibition - impaired judgement - skin flushing - tachycardia - significant reduction in attention responsiveness and alertness, - impaired vision - Ataxia - Dysarthria - dizziness - N&V - amnestic gaps - transition to coma with significantly impaired consciousness, lack of defensive reflexes and respiratory depression
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What screening tools are used for alcohol dependence
CAGE - Cut Down, Annoyed, Guilt and Eye opener TWEAK AUDIT SADQ- C
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How do you calculate alcohol units
Percentage x Litres
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How does alcohol withdrawal present
``` Agitation and Craving tremor Insomnia Sweating and Anxiety Headache Tachycardia and Raised BP Withdrawal Seizures (tonic-clonic) Visual and Tactile Hallucinations ```
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What complication can occur if alcohol is withdrawn suddenly
Delirium Tremens
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What is Delirium Tremens
A&E Emergency (10% mortality rate) - It is an acute altered state of consciousness and confusional state with autonomic dysfunction (sympathetic hyper activation) due to sudden alcohol withdrawal
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How does Delirium Tremens present
``` Impaired consciousness Disorientation and Confusion Visual Hallucinations (formication) Tremor Sweating Nausea Tachycardia Hypertension Generalied Tonic Clonic Seizures Hyperreflexia Death ```
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How do you treat Delirium Tremens
Admit Monitor Vital signs Oral or IV Lorazepam Prophylactic Thiamine (B1)
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Why would you give lorazepam for someone with Liver disease
It is metabolised in kidneys instead of liver therefore doesn't become toxic levels in blood
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How do you manage withdrawal of Alcohol
Chlordiazepoxide - no withdrawal symptoms Prophylactic IV Thiamine (if liver failure use Lorazepam instead)
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What can be used to aid recovery from alcohol misuse
Psychotherapy: Alcoholics Anonymous Family Therapy CBT Medication Naltrexone - reduces pleasure that alcohol brings on Acamprosate - reduces cravings for alcohol Disulfiram - inhibits the enzyme that metabolises ethanol leading to increased sensitivity to alcohol and amplifying negative symptoms of alcohol (toxic reaction)
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Why does Disulfiram need to be used with caution
IF you continue to drink with it and ignore toxic reaction it can lead to death
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What are long term consequences of alcohol
- Liver - Fatty Liver - hepatitis - Cirrhosis - CNS - poor memory and cognition, falls, accidents Wernickes Encephalopathy Korsakoffs Syndrome - Gut - Pancreatitis - Heart - Arrhythmias, Stroke, Increased BP - Skeleton - Osteoporosis (Ca2+ disturbance) - Sperm - Low fertility - Cancer: Mouth, Oesophageal, Bowel, Breast
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What is Wernickes Encephalopathy and Korsakoffs Syndrome both caused by
Chronic Thiamine (B1) deficiency 84% who have Wernickes will progress to Korsakoffs
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What is the classic triad of Wernickes Symptoms
Confusion Wide based gait ataxia Ophthalmoplegia (Acute, Reversible)
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What will Wernickes commonly progress to
Korsakoffs Syndrome - Confabulation - Anterograde Amnesia (new memories) - Personality change: apathy, decrease in executive function - Lack of Insight (Chronic, Irreversible)
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How may be Wernickes or Korsakoffs be diagnosed
Bloods - Low thiamine, abnormal LFTs | MRI - Haemorrhage or Atrophy of Mammillary Bodies
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How do you manage Wernickes
Medical Emergency - Give IV Thiamine
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How do you manage Korsakoffs
It is often irreversible | Give oral Thiamine supplementation to prevent further progression
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What is an illusion
Misperception of a real stimuli
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What is a hallucination
Perception in the absence of an external stimuli
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What is an over valued idea
Belief sustained against logic/reason but held with less rigidity than a delusion
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What is a delusion
Unshakable beliefs, irrespective of counter argument that are unexpected and out of keeping with patients culture or background
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What is Delusional Perception
Delusional belief resulting from a real perception
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What is thought insertion
Thoughts been inserted by external agency
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What is thought withdrawal
Thoughts been stolen by external agency
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What is thought broadcast
Thoughts being broadcast so they can be heard by others
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What is thought echo
Form of auditory hallucinations in which patient hears their thoughts being spoken aloud
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What is thought block
Sudden interruption in train of thought, leaving a blank
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What is concrete thinking
Lack of abstract thinking
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What is loosening of association
Lack of logical association between thought
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What is circumstantiality speech
Taking a great length around the subject before giving their answer
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What is tangential speech
Does not return to the topic
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Confabulation
Giving a false account to fill a memory gap
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What is passivity
The belief that ones thoughts and actions are being controlled
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What is somatic passivity
Delusional belief that the bodily sensations are from an external force
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What is made acts, feelings and drives
The experience being carried out by the patient is considered alien/imposed
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What is catatonia
Significantly excited or inhibited motor activity (waxy flexibility)
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What is stupor
Loss of activity with no response to stimuli, may mark progression of motor retardation
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What is psychomotor retardation
Slowing of thoughts and movements
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What is flight of ideas
Rapid skipping from one thought to distantly related ideas
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What is neologisms
Made up words
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What is pressure of speech
Rapid rate of delivery may be associated with rhymes and puns
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What is poverty of speech
Reduced amount, range and content of speech
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What is anhedonia
Lack of pleasure in activities usually enjoyed
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What is flattening of affect
Reduced range of emotional expression
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What is incongruity of effect
Mismatch between emotional expression and content of conversation
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What is an obsession
A recurrent unwanted thought (intrusive)
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What is a compulsion
An irresistible urge to behave in a certain way
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What is belle indifference
An apparent lack of concern at symptoms/disability
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What is stereotypy
Persistent repetition of a behaviour without cause
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What is mannerism
Habitual gesture of language or behaviour
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What is delusion of reference
A coincidental or innocuous event which is believed to have some special meaning or strong personal significance e.g an earthquake in SE Asia seen on TV was caused by him
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What are some types of delusions
- Persecutory - Erotomanic - (belief someone is in love with them usually someone with higher status e.g celebrity) - Religious - Grandiose - Jealous - Nihilistic - Delusional Misidentification
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What are the two types of Delusional Misidentification
Capras - person close to them has been replaced by a double | Fregoli - Single person impersonating multiple people
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What is Somatisation Disorder
persistent unexplained somatic/physical symptoms (heartburn, fatigue headache) for > 6 months with a Hx of extensive diagnostic testing and medical procedures
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What is the diagnostic criteria for Somatisation Disorder and how is treated
1 or more somatic symptom causing significant stress or impairment resulting in excessive thoughts, feeling and behaviours about symptom manifesting in 1 of following: - constant thinking about severity of symptoms - constant anxiety about symptom - excessive amounts of energy/time attending to symptom Treatment: CBT
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What is conversion disorder
Neurological symptoms that can't be explained by a neurological condition - 1 or more neurological conditions which are incompatible with recognised neurological/medical conditions - Causing significant distress/psychosocial impairment
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What is a personality disorder
Long lasting rigid and maladaptive personality patterns (thought, affect and behaviour) that lead to significant distress or functional impairment
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What criteria do all personality disorders meet
- They affect several areas of function e.g impulse, relationships, cognition, affectivity - they are chronic and stable over time - They impair function in important areas of life e.g social and work - Diagnosed at 18 years and above - Cause considerable personal distress
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What are the three clusters of personality disorders
A - Odd and Eccentric B - Emotional, Dramatic and Erratic C - Fearful, Avoidant and Anxious
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What are the types of personality disorders in Group A
Paranoid - pervasive distrust Schizoid - voluntary detachment from individuals Schizotypical - odd, eccentric and magical thinking
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What are the types of personality disorder in Group B
Dissocial/ Antisocial (DSM - 5) - conduct disorder, deceitful, agression, lack of remorse Emotionally Unstable Histrionic - Attention seeking and Dramatise with excessive emotions Narcissistic - Grandiosity, need for admiration and lack empathy
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What are the two types of emotionally unstable personality disorder
Borderline - Fear of abandonment, Mood Swings, Chronic feelings of Emptiness, Unclear self image/identity and unstable relationships, self harm and splitting Impulsive - Inability to control anger or plan, unpredictable affect or behaviour
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What are the types of personality disorder in cluster C
Avoidant - fear of rejection, feeling of inadequacy and involuntary social withdrawal Dependent - requiring others to take responsibility, lack of self confidence, feeling helpless, seeking new relationships Obsessive - Compulsive - Rigid routines, perfectionists and obsession with control
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How do you manage personality disorder
Psychotherapy: - Dialectical Behavioural Therapy - works well in borderline! - Group Therapy - CBT - usually ineffective Medication usually not effective but can be used to manage symptoms e.g - Mood Stabilisers, Antipsychotics, SSRIs High rates of Suicide and other mental illness
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What are some examples of social intervention management
``` Benefits Cultural Support Care Package Help with meaningful activity Help with housing Safeguarding Access/Support with Education Employment Social Integration Support with Engagement/Person Centred Care Anti Discriminatory Language Help with abstinence of addictions ```
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What is the mental health act
Law which allows people with a mental disorder to be admitted to hospital, detained and treated for that mental disorder without consent to protect themselves and others The treatment implies the treatment of your mental disorder
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What is Section 2 of the mental health act
Detention in hospital for assessment of your mental health and potentially get treated Lasts up to 28 days
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What is Section 3 of the mental health act
Detention in hostile for treatment, necessary for your health, safety and protection of others Lasts up to 6 months
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What is section 5(2) of the mental health act
Any Doctors holding power to allow assessment under the MHA Lasts up to 72 hrs for assessment for a section 2 or 3
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What is a Section 5 (4) of the mental health act
Nurses holding power to allow assessment under the MHA Lasts up to 6 hours for assessment for a section 2 or 3
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What is a section 136 of the mental health act
Police removal from public place to designated place of safety for MHA assessment
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What is a section 135 of the mental health act
Police removal from home to designated place of safety for MHA assessment
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Who do you need to undertake an assessment under the mental health act
Approved mental health professional (AMPH) Section 12 approved doctor Another registered doctor
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What conditions must be met regarding their mental health to retain them
Mental Health Disorder With a nature or degree to warrant detention in hospital Risk to self or others
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Who can release someone from their section
Consultant Psychiatrist Mental Health Tribunal Nearest Relative Hospital Manager Hearing
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What is the mental capacity act
Applies if you have a mental health problem but do not have the mental capacity to make certain decisions about healthcare or residential care Can be used to give treatment for physical health problems that have nothing to do with mental health problem
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What are the 5 key principles of the mental capacity act
- You must be treated as if you have capacity until it is proven you don't - You must be supported to make a decision e.g giving info in different ways - You have the right to make an unwise decision as long as you have capacity - Anything done under act must be in the patients best interest - Anything done under act must be the least restrictive option available
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What are the 4 key things to assess capacity
Understand information Weigh up information Retrain information Communicate Decision
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What can be given to tranquillise aggressive behaviour
Lorazepam OR Antipsychotic (e.g Olanzapine) - Don't give if patient already on a regular antipsychotic (QT prolongation)
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What are differentials for weight loss
``` Diabetes!!!!! IBS/IBD/Coeliac Hyperthyroidism CHD Neoplasm Anorexia Nervosa Depression/OCD/Anxiety Substance Misuse Autism CF ```
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What is the criteria for Anorexia Nervosa
- Low weight: <85% predicted or BMI = 17.5 - Intense fear of gaining weight/fatness - Deliberate restriction of weight through calories or exercise - Endocrine changes e.g amenorrhoea, reused libido
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What may cause Anorexia
Biological: Genetics, Serotonin Dysregulation Psychological: Depression, Anxiety, OCD, perfectionism and personality type Developmental: Adverse life events, parents with eating disorder Sociocultural: Substance abuse, media exposure, image awareness activities (ballet), bullying
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What are weight loss techniques used in anorexia
- Exercise - Amphetamines - Calorie Restriction - Not taking Medication e.g propylthiouracil or Carbimazole or taking too much thyroxine - Purging - Laxatives - Vomiting - Cold Showers
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How does anorexia present
General: Fatigue, reduced cognition, sleep disturbance, hypothermia, dizzy GI: Constipation Reproductive: Sub-fertility, Secondary Amenorrhoea Haematological: Anaemia, Low WCC + platelets Endocrine/Electrolytes: Raised cortisol and adrenaline, hypokalaemia, low phosphate and low magnesium Cardiovascular: Low BP, Bradycardia, prolonged QT, arrhythmias Bone: Osteoporosis and Fractures Other: Dental caries, Dry skin, Russells Sign, Brittle hair
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What can be used to screen for Anorexia
SCOFF Questionnaire Sick (make yourself sick if you feel full) Control (worry about losing control) One stone (in 3 months) Fat (think you're fat but others say you're thin) Food (dominate your life)
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What are red flags for Anorexia Nervosa
``` BMI <13 Temp <34.5 Vascular BP <80/50 and pulse <40 Muscles - failure to so SUSS Blood: Low potassium and low phosphate ECG: prolonged QT complex ```
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How is Anorexia managed
Psychotherapy: CBT Bio: BMI<15, unstable vital signs (hypothermia, electrolyte imbalance and bradycardia) - admit to hospital hospitalisation for re-feeding via NG or parenteral Dietician/Nutritional Support SSRIs, Antipsychotics? Social: Family Intervention, Addressing family dynamics, carer support
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What can severe anorexia lead to
Low potassium can lead to prolonged QT - arrhythmias and death
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What is a complication of Anorexia treatment
Refeeding Syndrome Very rapid increase in food intake causes massive insulin release - increased displacement of potassium, magnesium and phosphate massive shift intracellular - causing low potassium, magnesium and phosphate
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How does referring syndrome present
``` Rhabdomyolysis Respiratory or Cardiac Failure Low BP Arrhythmias (torsades de points) Seizures and Death ```
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How is referring syndrome managed and how is it prevented
Electrolyte Substitution Consult dietician to develop slow referring plan Monitor Electrolytes: Mg, PO4 and K+
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What risks need to be assessed for anorexia
``` Cardiac risk Refeeding risk Falls risk Seizure risk Self Harm risk ```
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What is the criteria for Bulimia
Recurrent Episodes of Binge eating (uncontrolled eating) Preoccupation of control of body weight Regular use of mechanism to overcome fattening effects e.g laxatives, exercise BMI - >17.5
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What symptoms may be seen in Bulimia
``` Fatigue Dental Caries Gastritis Russells Sign Cardiomyopathy Swelling of hands and feet Low potassium, metabolic alkalosis, hypochloraemia ```
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How is Bulimia managed
Psychotherapy: CBT, self help books, food diary Nutritional Rehabilitation Medication: SSRIs (fluoxetine)
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What are risk factors for autism and what may be associated with autism
Risk: Strong underlying genetic component Associations: Epilepsy and ADHD
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What are the two core symptoms of Autism
1. Impairment in communication and social interaction 2. Restricted repetitive patterns of behaviour, interests and activities Other symptoms: impaired language and intellectual impairment
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What symptoms are you going to get due to impairment in communication and social interaction
- Inability to form relationships and make friends - Unaware of the existence and feelings of others - Lack of desire/motivation to communicate and interact with others - Communicating needs only - Disordered or delayed language - Repeats Speech - Reduced Empathy - Difficulties in adjusting behaviour to social situations - Poor eye contact
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What symptoms are you going to get due to restricted repetitive patterns of behaviour
- Stereotyped movement's: Hand flapping - Preoccupation with parts of objects: excessive smelling/touching - Inability to play or write imaginatively - Resists change/distress over change - Obsessions/Rituals likes a strict routine - Plays same game over and over - Narrow fixations e.g lining up toys - Odd speech e.g echolalia
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What is the management of Autism
- Early intensive behavioural intervention - Speech Therapy - Education and Information - School Liaison/Support - ASD Parent Training/Workshop - Supportive tools e.g PECs, visual cues, timetables, visual behaviour support - Medication to manage comorbities e.g Risperidone
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How does Ashbergers Differ on the Autism Spectrum
No intellectual or language impairment
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What are the three core symptoms of ADHD
Impulsivity Inattention Hyperactivity
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What is needed for the diagnosis of ADHD
Present before 12 years Developmentally inappropriate Several Symptoms in 2 or more settings Interfere with normal levels of functioning
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What are symptoms of inattention
- Poor Attention/easily distracted - Difficulty sustaining attention during activities and tasks - Inability to complete tasks - Struggles to organise tasks - Forgetful/Loses things
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What are symptoms of hyperactivity
- Squirms and figets - Restless - Talks Excessively - No Quiet hobbies
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What are symptoms of Impulsivity
- Blurts out answers - Interrupts others - Cannot take turns
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What can ADHD be associated with
``` Disruptive and Impulsive Behaviour Aggression and Antisocial Behaviour Conduct Disorder Alcohol and Drug Problems Accidents Self harm and Suicide ```
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How is ADHD assessed
Collateral Hx doctors, teachers, parents | Behavioural Observation in varying contexts
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What is the cause of ADHD
Genetics Environmental Factors Neurobiological CNS insults (prematurity, fetal alcohol syndrome)
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How is ADHD managed
``` Education and Information ADHD parenting programme School support and Liaison Medications - 1st line: Methylphenidate - 2nd line: Atomoxetine ```