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Year 5 > Psychiatry > Flashcards

Psychiatry Flashcards

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1
Q

What is a delusion?

A

A firm, fixed belief, that is usually false, based on inadequate grounds, not amenable to a rational argument or evidence contrary and not in line with regional or cultural norms.

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2
Q

What is a hallucination?

A

Sensory perception without external stimulation of a sense, the patient believes its real.

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3
Q

Whats is a pseudo-hallucination?

A

Sensory perception without external stimulation of a sense, but the person is aware it is not real

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4
Q

What is an illusion?

A

Misinterpretation of an external stimulus

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5
Q

What is an emergency detention certificate?

A

To keep/bring someone into hospital for ASSESSMENT (you can NOT treat them)
Any Dr can do it, keeps them in for 72 hours
They can not appeal it

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6
Q

What is a short term detention certificate?

A

To keep/bring a patient in for assessment AND treatment
Can last 28 days
Must be approved by Drs and MHN
Patient has a right to appeal it

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7
Q

What is a Compulsory treatment orders (CTO)?

A

To keep/ bring a patient in for treatment or to continue treatment in the community
2 medical reports needed to be completed by approved medical practitioners
Heard by a tribunal *
6 months - 1 year

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8
Q

What is a panic disorder?

A

Recurrent unexpected panic attacks for a 1 month or more, + 1 of:

  • Persistent worry about having panic attacks
  • Worry about implications of an attack
  • Physical sx - palpitations, tachycardia, sweating, SoB, trembling, feeling of chocking, chest pain, dizzy
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9
Q

What is Agoraphobia?

A

Marked fear or anxiety for more than 6 months about 2 or more of the following: Being in an enclosed space, using public transport, being in an open space, standing in line, in a crowd, leaving home alone

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10
Q

What is psychosis?

A

The inability to distinguish between subjective experiences and external reality

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11
Q

What is organic psychosis?

A

Abnormal brain function caused by a known physical or psychological abnormality
Substance misuse, infection, medications

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12
Q

What is schizophrenia?

A

A psychotic disorder where they have one or more of the following symptoms: Hallucinations, delusions, disorganised speech

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13
Q

What factors make someone more vulnerable to scizophrenia?

A

Biological - famiiilal risk, neurobiology, substance misuse, maternal infection, obstetric complications, hypoxia
Psychological - learning difficulty, attention and memeory disorders
Social - lower socioeconomic status, ACE, trauma, stressful life events

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14
Q

What gives a diagnosis of schizophrenia?

A

2 or more of the following with at least 1 being (*):
*Hallucination
*Delusions
*Disorgaised speech
Negative sx, catatonic behaviour, thought disorder
Ongoing for 6 months with at least 1 month of active sx not due to another cause

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15
Q

What medications can cause prolonged QTc?

tx - Mg

A

Haloperidol, clarithromycin, amiodarone, sotalol, ciprofloxacin, amitriptyline, fluoxetine, sumatriptan

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16
Q

What are the types of ADHD?

A
  1. Inattention
  2. Hyperactivity/ impulsive
  3. Both
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17
Q

How is ADHD managed?

A
  1. Behavioural psychotherapy
  2. Medication - Stimulants (methylphenidate)
    non-stimulants (atomoxetine)
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18
Q

What are some Antidepressants?

A

SSRIs - fluoxetine, sertraline, citalopram
NaSSA - Mirtazapine
NaRI - Reboxetine
TCA - lofepramine, clomipramine, amytriptyline
SNRI - Venlafaxine
MOAI-A - Moclobemide

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19
Q

Give an examples of a NASSA (NA and selective 5HT antidepressant).

A

Mirtazapine

SE - MMMirtaZZZapine - MMM food - weight gain and ZZZ sedation

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20
Q

What are some side effects of SSRIs?

A

GI upset, QT prolongation, sexual dysfunction, hyponatraemia, weight and appetite changes

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21
Q

Why is it important to be careful when prescribing TCAs?

A

They are dangerous in OD, lots of side effects
Sedation, coma, arrhythmias, convulsions
Prolonged QT and QRS

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22
Q

What is an important SE to be aware of in MOAIs?

A

Tyramine reactions - Hypertensive crisis
Tyramine is broken down into NA and then NA is broken down by MOA and so - increased NA - sudden increased in bp - headache

(if they ingest tyramine - cheese, wine)

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23
Q

What dopamine pathways are in the brain?

A

Mesocortical (-ve sx)
Mesolimbic (+ve sx and reward)
Niagrostriatal (Extrapyramidal sx (movement))
Tubuloinfundibular (porlactin)

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24
Q

What are some examples of 1st generation/typical antipsyhoctics?

A

Chlorpromazine, haloperidol, prochlorperazine

Dopamine 2 receptor antagonists

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25
What are some SE of typical antipsychotica?
*Extrapyramidal side effects - drug-indiced parkinsons, tardive dyskinesia (niagrostriatal), dystonia, akathasia * Hyperprolactinaemia (tubuloinfundibular) - glacatorrhoea and breast tenderness in girls and impotence and reduced libido in men Neuroleptic malignant syndrome, prolonged QT, erectile dysfunction
26
What are some examples of 2nd generation/atypical antipsyhoctics?
Quetiapine, Olanzapine, Risperidone, Clozapine, Aripirazole
27
What are some SE of atypical antipsychotics?
Metabolic symptoms (weight gain, hyperglycaemia, dyslipidaemia) Antimuscarinic sx (like in typical) - dry mouth, constipation, blurred vision Neuroleptic malignant syndrome Less EPSx and Hyperprolactinaemia
28
What are some differences in typical and atypical antipsychotics?
Typical - Prominent EPsx and Hyperprolactinaemia Atypical - more metabolic symptoms Both - Antimuscarinic sx, neuroleptic malignant syndrome, torsades de pointe.
29
What Atypical antipsychotic is only used in sever cases?
If 2 antipsychotics have failed or are not tolerated, Clozapine can be started SE - agranulocytosis*, myocarditis, seizures, sialorrhoea
30
When are antipsychotics indicated?
Psychomotor agitation Schizophrenia (to help +ve symptoms) Bipolar
31
What must you remember to do if prescribing atypical antipsychotics?
MONITORING - neutrophils, weight, glucose/HbA1c, Lipids, ECG (LFTs, U&Es, BP and pulse), smoking status, side effects Wear sun cream
32
What is neuroleptic malignant syndrome and what are some symptoms?
Rare, but potentially serious or even fatal adverse effect of all antipsychotics Fever, diaphoresis, rigidity, confusion, fluctuating consciousness, fluctuating BP, tachycardia, elevated CK, leucocytosis, altered LFTs
33
What are some side effects of the mood stabiliser Lithium?
``` Lethargy Insipidus (diabetes) Tremor Hypothyroidism Insides (gastrointestinal) Urine (increased) Metallic taste ```
34
What are some signs of toxicity in Lithium?
Confusion, drowsiness, excessive thirst and urination, seizures, visual problems, difficulty with speech
35
What are some important considerations when taking lithium?
Pregnancy - Teratogenic - ebsteins anomaly Lithium record book - records doses and blood tests - 6monthly bloods - U&Es, LFTs, Ca, TFTs** 3monthly lithium level* Dont just stop and never take a double dose, if you miss one just take then next dose as normal
36
What is aversive therapy?
Used to reduce a desire for an addiction e.g. in alcoholics an averisve drug that makes you feel N&V is given so that you associated drinking with sickness, reducing your desire
37
Fluoxetine is usually used if an antidepressant is needed during pregnancy. What are some possible side effects from SSRIs in pregnancy?
PPHN Neonatal withdrawl syndrome Low birth weight, prematuirty Paroxetine in 1st trimester can cause foetal heart defects
38
What is puerperal psychosis and what are some risk factors for it?
Severe mania/ psychosis precipitated by childbirth, usually occurs within first 2 weeks. Risks - first pregnancy, obstetric complications, FHx, bipolar, discontinuing mood stabilisers, PMHx
39
What are some features of puerperal psychosis?
Rapid fluctuations in mood Marked confusion Fear, insomnia, restlessness Delusions, hallucinations and disturbed behaviour
40
How would you manage a patient with high risk of puerperal psychosis?
Antipsychotics or Mood stabiliser - Lithium - risks v benefit (may be on it during the pregnancy or start it immediately after delivery) or ECT Admission to mum and baby unit and monitoring of mum and baby
41
Lithium in pregnancy can cause an Ebsteins anomaly, what is this? ECHO*
Downwards displacement of the tricuspid valve, with tricuspid incompetence means for a large RA and small RV. - poor pul perfusion - cyanosis once PDA closes. There may also be an ASD and arrhythmia Associated with Wolf Parkinson white Presentation - HF (oedema), Poor feeding, cyanosis, tachypnoea, SoB, collapse
42
What other risks does lithium pose to a baby?
Floppy baby syndrome Neonatal hypothyroidism Prematurity
43
Do you need to change monitoring of lithium during pregnancy?
Yes - to monthly and by 36 weeks, weekly
44
When might the following conditions start after pregnancy? Baby blues Postnatal depression Puerperal/postpartum psychosis
Baby blues - ~day 2-5 and last ~ 3 days Depression - Weeks 6-8 and last weeks or months Psychosis - usually in first 2 weeks, can last weeks or months
45
How might the following conditions be managed? Baby blues Postnatal depression Puerperal/postpartum psychosis
Baby blues - reassurance and support Postnatal depression - CBT, Antidepressants Puerperal/postpartum psychosis - Urgent assessment, admission to mum and baby unit?
46
What are the 2 broad treatment medications in ADHD?
1st line - stimulants (methylphenidate, dexamfetamine) | 2nd line - non-stimulants (atomoxetine)
47
What are the differences between stimulants and non-stimulants in ADHD management? need 6 monthly review of Bp and HR
Stimulants - Work on people who don't have ADHD (diversion likely (malingering - pretending)), immediate acting, a controlled drug Non-stimulants - Slower onset, doesn't work on those without ADHD, Preferred in anxiety, tourettes and psychosis, not a controlled drug
48
What is first line treatment in ADHD?
Stimulants - Methylphenidate - DA and NA reuptake inhibitor Immediate (Ritalin) and slow release (concerta) preparations Then Dexamfetamine - DA and NA release and a reuptake inhibitor - more likely to be abused/ diversion
49
What is the 2nd line option for ADHD if stimulants are ineffective or not tolerated?
Non-stimulant - Atomoxetine - NA reuptake inhibitor - Acute liver failure and suicidality rare
50
What are some side effects of stimulant medications in ADHD?
Tics, seizures, reduced appetite, insomnia, headache, tachycardia, irritable
51
What are some side effects of non-stimulant medications in ADHD?
Dizzy, sexual dysfunction, seizures, constipation, insomnia, sweating Avoid in Pheochromocytoma
52
What is the core triad of symptoms in Autism?
Develops before 3 years 1. Abnormal reciprocal social interaction (difficulty making and maintaining friends, minimal shared enjoyment, attachement to objects, aloof/awkward) 2. Communication and language impairment (prolonged or absent eye contact, talk at you, delayed or absent speech, minimal body language) 3. Restricted and repetitive interests (obsessive fixed interests, motor mannerisms (hand flapping or body rocking), OCD, fixed routine or route to school, change is unsettling, preference for sameness)
53
What is the difference between autism and aspergers?
Aspergers has NO global developmental delay (in language or cognition), they usually have normal intelligence
54
What is a conduct disorder?
A behaviour disorder of antisocial behaviour - Aggressive conduct (bullying, intimidating, physical fights, cruelty, forcing sexual activity) - Deceitful conduct (lying, theft, shoplifting) - Destructive conduct (intentionally destroying property) - Violation of rules (skipping school, running away, pranks) Childhood onset < 10y
55
What is the range of affective/mood disorders?
Mania with psychosis - mania - hypomania - elation - normal - dysthymia - mild depression - mod dep - severe dep - severe depression with psyhosis
56
What is the difference between mania and hypomania?
Mania - no insight, >=3 sx for .=7 days, **extreme interference with ADL** Hypomania - partial insight, >=4sx for 3d, *slightly interfers with ADL* *How it interfers with ADL
57
What is bipolar affective disorder?
2 or more episodes where the patient has significantly disturbed mood and activity levels Bipolar 1 - Mania + depression Bipolar 2 - Hypomania + depression
58
How would you manage bipolar affective disorder?
Antipsychotics (acute and continue for 4 wks) Mood stabilisers (continue life long) Psychological - CBT, psychotherapy Social - Support groups, relaxation
59
How might you manage schizophrenia?
Assess risk, general physical health and co-morbidities 2nd generation/ Atypical antipsychotic (Dopamine antagonists) - quetiapine, olanazpine - Regular review of SE - SE - weight gain, antimuscarinic affects (dry mouth, constipation, urinary retention), neuroleptic malignanct syndrom, torsades de pointe
60
Whats the difference between schizophrenia and schizoaffective disorder?
Schizophrenia is a disturbance in behaviour, thought, emotions and cognition Schizoaffective disorder is that PLUS a MOOD disorder
61
What is a phobia?
An irrational intense fear that the patient realises as excessive Causes avoidance of situations that cause anxiety (generalised anxiety disorder is not pinned to certain circumstances and so they cannot avoid the 'situation')
62
What medication could you give in GAD after education and psychological intervention have failed?
1st - Sertraline 2nd - try another SSRI 3rd - SNRI - Venlafaxine, duloxetine 4th - pregbalin

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