Psych Flashcards

1
Q

Indication for haloperidol in agitation

Cautions

A

First line for ETOH intoxication

Small risk of long QT - do not use IV in pts at risk
Extrapyramidal side effects - do not give in Parkinson’s, Lewy Body

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2
Q

Indication for second generation antipsychotics in agitation

Cautions

A

Use in agitation due to psychiatric illness and delirium in elderly
1. oral risperidone
2. IM ziprasione or olanzapine
Lower risk of EPSE

Quetiapine - high rates of orthostatic hypotension
Aripiprazole - less effective

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3
Q

Indication for benzos in agitation

Cautions

A

Use in recreational drug intoxication (except ETOH)
ETOH withdrawal

Risk of respiratory depression
Can make delirium worse

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4
Q

Anxiolytics for levels of risk for QTc prolongation

A

No long QT, no risk
- clozapine

No long QT, risk factors present
1. olanzapine, aripiprazole
2. risperidone, quietiapine, haloperidol

Long QT <500ms
- Aripiprazole, olanzapine, risperidone, quetiapine

Long QT >500ms
- Aripiprazole, valproate, trazodone, benzos

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5
Q

Risk factors for suicide

A

Male
Age 15-24
Maori
Has a plan
Recent suicide attempt
Family/friend suicide
Lack of supports
Psychiatric illness

Less: single, sexual minority, general medical illness, chronic pain, TBI, unskilled occupation, childhood trauma, rural, family hx, relationship loss

Vulnerability factors: low self-esteem, poor social skills, family conflict, bullying, frequent moving, homelessness, parent with mental illness/ETOH/drug, low SES, school suspension, abuse/neglect

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6
Q

Protective factors for suicide

A

Family support
Cultural identity
Spiritual belief that discourages suicide
Belonging to community
Makes valued contributions
Supportive friends
Developing skills, volunteering, contributing

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7
Q

Most common method of suicide

A

Asphyxiation (hanging, suffocating, ligature)

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8
Q

Comorbidity triangle in youth for suicide

A

Depression, substance abuse, victim of abuse

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9
Q

PH-2 screening for depression

PH-9 questions and scoring

A

Over last 2 weeks:
Feeling little interest or pleasure in doing things
Feeling down, depressed, hopeless

0- not at all
1 - several days
2 - more than half days
3 - nearly every day

Score 3+ proceed to PH-9 questionnaire - above plus:
- Sleep
- Energy
- Appetite change
- Feeling bad about yourself
- Trouble concentrating
- Moving/speaking slow or restless
- Thoughts of death, self-harm

1-4 minimal
5-9 mild
10-14 moderate
15-19 mod-severe
20+ severe

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10
Q

Medications for depression

A

Start in moderate - severe depression
SSRIs first line

Citalopram - lowest interactions
Sertraline - lowest exposure in breastfeeding
Fluoxetine - evidence for <18
Paroxtine - lowest long QT risk

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11
Q

Delirium vs acute psychosis symptoms

A

Delirium
- Inattention, easily distracted, disoriented, fluctuating course

Psychosis
- normal attention, alert, intact memory, disorganised thinking

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12
Q

3 manifestations of psychosis

A

Delusions - false unshakeable belief, out of keeping with education/culture/social background
Hallucinations - auditory most common
Thought disorder - lack of coherent, logically connected thoughts

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13
Q

Medications for psychosis

A

Cause unknown
- Haloperidol 0.5-5mg + lorazepam 0.25-2mg
- Benztropine/diphenydramine to prevent EPSE/dystonia
OR risperidone/olanzapine/ziprasidone

Likely psychotic illness
- pt’s regular antipsychotic
- Olanzapine 5-10mg
- or risperidone 0.5-2mg + lorazepam 0.5-2mg
- or haloperidol + lorazepam, olanzapine, ziprasidone

Suspect acute mania
- Above antipyschotics PLUS
- valproate 600mg daily divided

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14
Q

Risk factors for anxiety

A

Females
Young adults
Family history
Comorbid psych condition
Drug and ETOH
Chronic medical condition
Hx trauma, abuse, family violence
Maori, Pacific, Asian
Low SES
Loss of employment, relationship, stress
Ongoing conflict - sexual, spiritual, cultural

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15
Q

GAD-7 anxiety screening

A

Over last 2 weeks:
- Feeling nervous/anxious/on edge
- Unable to stop/control worrying
- Worrying about different things
- Trouble relaxing
- Hard to sit still
- Easily annoyed, irritable
- Afraid something awful will happen

0 = not at all
1 = several days
2 = more than half days
3 = nearly every day

5 mild
10 moderate
15 severe

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16
Q

Types of anxiety disorders

A

GAD - most common
OCD
Panic disorder
Social phobia
Specific phobia
PTSD

17
Q

Medication for anxiety

A

Consider in severe GAD, panic disorder, OCD

Short term benzos for crises
SSRIs

18
Q

Screening for drug abuse
3 questions

A

Have you ever used drugs more than you meant to in the last year?
Have you felt like you want to cut down?
If yes, is this something you would like help with?

19
Q

Symptoms of acute dystonia

A
  • Involuntary sustained muscle contractions to maximal degree
  • Lasts minutes to hours
  • 1 or more sites of the body - generalised in young people, focal in elderly
  • Twisting, repetitive movements (consistent and predictable), abnormal posture
  • Sensation of rigidity and traction in affected part

Not to confuse with dyskinesia - rhythmic contraction of large muscle groups - rolling or writhing

20
Q

Common sites in acute dystonia

A

Neck (30%)
Protrusion of tongue (17%)
Jaw (15%)
Extraocular muscles - oculogyric crisis: eyes rolling back, neck arching (6%)
Opisthotonus - body arching (3.5%)

Hyperpronation of arms
Wrist flexion
Plantarflexion of feet
Adductor spasm of thigh

21
Q

Medication causes of acute dystonia

A

Within 1 week of starting or increasing dose of antipsychotic
50% within 48 hours
90% within 5 days

Haloperidol, long acting fluphenazines most common

22
Q

Management of acute dystonia

A

Discontinue medication
Anticholinergics: Benzatropine 2mg IV, or procyclidine
Diphenhydramine - available PO only
Benzos additional if anticholinergics not enough

Baclofen 60-120mg/day - segmental/generalised/oromandibular dystonia
Mexiletine 450-1200mg/day - cervical dystonia

23
Q

Definition of mental disorder per Mental Health Act

A
  1. Abnormal state of mind - delusion, disorders of mood, perception, volition, cognition
  2. Behaviour poses risk to health or safety of self/others, or diminished capacity to care for self/others
24
Q

Mental Health Act sections

A

8A - completed by anyone with concern
8B - completed by medical practitioner

Assessment by psychiatrist/senior reg

10 - preliminary assessment (5 day inpatient)
12 - further assessment (14 days inpatient)

Certificate of final assessment
Compulsory treatment order - inpatient or community
Reassess in 6 months