Psychiatry Flashcards

1
Q

Ways of assessing alcoholism

A
  1. CAGE (>2 problem)
  2. AUDIT (10 questions)
  3. TWEAK (tolerance, worried, eye opener, amnesia, cut down)
  4. FAST (4 questions - used in A+E)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Alcohol limits

A

women and men max = 14 units/week
Binge drinking = 10 units/day
Dangerous = 50 units/week

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Investigations for chronic alcoholism

A
  • raised MCV / macrocytic anaemia
  • deranged LFTs
  • Thrombocytopenia (low plts)
  • breath test + screening
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

How would you manage alcohol DEPENDENCE?

A
  1. Acamprosate - reduce cravings
  2. Disulfiram - hangover if alcohol consumed
  3. Naltrexone - less pleasure from alcohol
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Symptoms of alcohol withdrawal

A

tremors / sweating / vomiting
sleep and mood disturbance
autonomic hyperactivity - tachycardia, HTN, pyrexia
SEZIURES AT 36 HOURS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

When does delirium tremens occur and what are the symptoms?

A
  • day 3 of alcohol withdrawal*
  • altered consciousness and cognitive impairment
  • hallucinations and paranoid delusions
  • Lilliputian and formication
  • tremor
  • autonomic arousal
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Acute management of alcohol withdrawal

A
  1. Chlordiazepoxide
  2. IV pabrinex - B12 replacement
  3. Thiamine 100mg BD
  4. BDZ if delirium
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is Wernicke’s encephalopathy?

A
Acute brain damage due to thiamine deficiency.
Triad:
1. Delirium
2. Ocular signs
3. Wide based gait ataxia
Tx = IV Pabrinex + chlordiazepoxide
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is Korsakoff’s syndrome?

A

Brain damage due to chronic thiamine deficiency.
Triad:
1. Anterograde amnesia
2. Confabulation
3. Psychosis (Lilliputian, formication)
Tx = IV pabrinex + chlordiazepoxide (same as wernicke’s)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Signs of opioid intoxication

A
drowsiness
mood change
bradycardia, HTN
pupillary constriction
respiratory depression
low body temp
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Complications of opioid misuse

A
  • needle sharing –> HIV, hepatitis B/C
  • infections
  • VTE
  • Overdose
  • psychosocial problems
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Management of opioid toxicity / dependence

A

Acute toxicity = IV/IM Naloxone

Detoxification = 4 weeks residential or 12 weeks community:
- Methadone or Buprenorphrine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Common causes of delirium (PINCH ME)

A
Pain
Infection / intoxification
Nutrition (low thiamine, B12..)
Constipation
Hypoxia . hydration
Medication / drugs
Environmental

Other - post op, vascular, trauma, metabolic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

3 common syndromes of delirium:

A
  1. Hypoactive - quiet confusion
  2. Hyperactive - agitation, delusions
  3. Mixed
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Management of delirium

A
  1. Identify + treat cause
  2. orientate / aids
  3. sedation - Haloperidol, Olanzapine
  4. MMSE + review
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Management of aggressive patient

A
  1. environmental
  2. behavioural
  3. Oral lorazepam 1-2mg
  4. IM lorazepam 1-2mg
  5. repeat every 45-60 mins
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What is generalised anxiety disorder (GAD)

A

Persistent anxiety not isolated to specific environments.

Excessive worry about every day things (>6 months or less in children)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Risk factors for GAD

A

Aged 35-54
Female
Single or single parent
Protective factors = cohabitation, aged 16-24

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Causes of GAD

A
Stressful event
Neurobiological:
- loss of cortisol regulation
- reduced expression of BDZ receptors due to high cortisol
- Issues with amygdala
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Diagnosing GAD (1)

A

3 clinical features:

  • restlessness
  • irritability
  • fatigue
  • difficulty concentration
  • muscle tension
  • sleep disturbance
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Diagnosing GAD (2)

A

+ 4 other symptoms:

  • Autonomic
  • abdo/chest
  • general
  • mental state
  • non-specific
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

GAD management

A
  1. Self-help
  2. CBT, applied relaxation
  3. Sertraline
  4. Clomipramine / another SSRI

BDZ = Rapid response

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What is panic disorder?

A

Recurrent panic attacks not secondary to substance misuse or another disorder

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Risk factors for panic disorder

A

Peak onset - 15-24 + 45-54yrs

Risk factors - single, living in city, limited education, early parental loss, physical or sexual abuse

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Management of panic disorder

A
  1. Self-help
  2. CBT
  3. Sertraline /SSRI
  4. Clomipramine
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

What are the 3 main types of phobia?

A

Agoraphobia - panic in places where escape is difficult
Simple phobia - specific object or situation
Social - social situations, suicidal thoughts common

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Agoraphobia treatment

A

Behavioural = exposure + relaxation
Cognitive = education + coping
1st line = sertraline
Short term = BDZ

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Simple / specifc phobia treatment

A

Behavioural = exposure and relaxation
Cognitive = education + coping
BDZs only to enable exposure therapy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

Social phobia treatment

A
  1. Self-help
  2. CBT, Graded exposure therapy
  3. Sertraline
  4. PRN propanolol
  5. MAOI

short term BDZ?

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

What is OCD

A
Obsessions = recognised as patients own thoughts - death, sex, blasphemous
Compulsions = repetitive behaviours or mental acts
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

OCD treatment

A
  1. Self-help
  2. CBT and exposure and response prevention (ERP)
  3. SSRI - Fluoxetine or sertraline
  4. Clomipramine - specific non-obsessional action
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Risk factors for PTSD

A
low education / social class
Female
Black / hispanic
FHx of psych conditions
Previous traumatic events
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

The 4 clinical features of PTSD

A
  1. Re-experiencing
  2. Avoidance
  3. Hyperarousal (startle response)
  4. Emotional numbing (detached)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

ICD-10 for PTSD

A
  • Symptoms arise within 6 months of event

- symptoms present for at least 1 month with significant distress

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

PTSD treatment

A
  1. Watchful waiting if <4 weeks since trauma
  2. CBT or EMDR if >4 weeks since trauma
  3. Paroxetine or Mirtazapine
  4. BDZ for sleep disturbance
  5. ?antipsychotics
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

Diagnostic criteria for Anorexia

A

Weight <85% predicted
BMI <17.5
Fear of weight gain
Feel fat when underweight

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

Signs of anorexia

A

General - fatigue, cold intolerance, altered sleep cycle
Repro - subfertility, amenorrhoea, failed 2nd sex characteristics
CV - brady, low BP, long QT
Derm - lanugo hair, yellow tinge, dry skin, brittle hair

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

Anorexia bloods

A

Low:
Glu, K+, phosphate, TSH, sex hormones, renal function
High:
LFT, amylase, growth hormone, glucose, cortisol

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

SCOFF questionnaire

A
Sick - make yourself
Control - lost over eating
One stone lost in 3 months
Feel fat
Food dominates life
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

Red flags for anorexia

A
BMI <13 or below 2nd centile
Weight loss >1kg / week
Temp 34.5
BP <80/50
SATS <92%
Long QT, flat T waves
Muscle weakness
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

Treatment of anorexia (adults)

A
  1. Restore nutritional balance + treat complications
  2. Involve family
  3. ED unit if severe
  4. Psychological - ED-CBT
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

Treatment of anorexia (children)

A
  1. Anorexia focussed family therapy

2. CBT

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

Signs of re-feeding syndrome

A
  • drop in phosphate after >10 days of undernutrition*
  • rhabdomyolysis
  • resp / cv failure
  • arrhythmia
  • seizure
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

Management of re-feeding syndrome

A
Slow refeeding
thiamine + multivits
Monitor for:
1. low phosphate
2. low potassium
3. high glucose
4. high magnesium
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

Additional ED signs for bulimia

A
vomiting
callouses on back of hands (Russel's sign)
Oedema (lax + diuretics)
gastric dilation
carrdiomyopathy (lax)
Metabolic alkalosis (vomiting)
Metabolic acidosis (lax)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

Management of Bulimia

A

Support, self-help, food diary
EDU referral
Fluoxetine - reduces binging and purges

47
Q

Diagnosis of depression

A

3 core symptoms:

  1. low mood
  2. low energy
  3. anhedonia

Mild - 2 core + 2 other
Mod - 2 core + ≥3 other
Sev - 3 core + ≥4 other

48
Q

Other symptoms of depression (other than 3 core)

A
Early morning waking
Change in appetite
agitation
loss of libido
self harm
suicide ideation
psychotic symptoms if severe (nihilistic/ guity delusions)
49
Q

2 assessment tools for depression

A

PHQ-9 and HADs (hospital anxiety and depression scale)

50
Q

Management of MILD depression (2 core sx + 2 other)

A
  1. lifestylediet/exercise/socialising
  2. computerised CBT (self-referral)
  3. Psychoeducation
51
Q

Management of MODERATE depression (2 core + ≥3 others)

A
  1. lifestyle
  2. anti-depressants
  3. high intensity psychological therapy (CBT)
52
Q

Management of SEVERE depression (3 core + ≤4 other)

A
  1. MH assessment and consider inpatient

2. ECT - electroconvulsive therapy

53
Q

How do you diagnose bipolar disorder?

A

> 2 episodes, one of which must be mania / hypomania

54
Q

What is the difference between Bipolar I and Bipolar II?

A

Bipolar I = mania >1 week and not able to function normally (more likely to have psychotic symptoms)

Bipolar II = Hypomania 4+ days and still able to function

55
Q

Symptoms of mania

A
elevated mood
increased energy
pressured speech
risk taking
grandiosity
incongruency of affect
decreased need for sleep
may have psychotic Sx
56
Q

What is cyclothymia

A

cyclical mood swings with subclinical features

57
Q

Treatment of an acute manic episode in bipolar

A

Lithium
Antipsychotics
stop or reduce SSRIs
severe episode = ECT

58
Q

Long term treatment of bipolar disorder

A
education/ lifestyle
Lithium (thryo + nephrotoxic)
Valproate
Lamotrigine
CBT
59
Q

1st line medical management of depression

A

SSRIs
- fluoxetine / citalopram / sertraline

Monitor FBCs + U+Es
long QT in citalopram

60
Q

Other depression medications after SSRIs

A
  1. NaSSA - mirtazapine (drowsiness and weight gain)
  2. TCA - amitryptiline (anti-cholinergic and muscarinic – dry mouth, tachy, blurred vision, urinary retention, drowsiness)
61
Q

Medical management of post natal depression

A
  1. SSRIs = sertraline or paroxetine ONLY
  2. TCAs

All other SSRIs are secreted in breast milk and are harmful

62
Q

What are the 5 types of dementia

A
  1. Alzheimers
  2. Vascular
  3. DLB
  4. Frontotemporal
  5. Mixed
63
Q

Dementia features specific to Alzheimers?

What are the Alzheimers specific medications?

A

apathy, depression, difficulty remembering recent events and names.
Late stage = psychosis + primitive reflexes

Tx = Donepazil, memantine if severe

64
Q

Dementia features specific to vascular dementia?

A

STEPWISE DETERIORATION, 3 syndromes:

  1. single stroke
  2. multi-infarcts (stable periods)
  3. Binswanger’s disease (multiple microvascular infarcts)
65
Q

Dementia features specific to DLB?

Specific drug?

A

Quicker onset and more likely to have early symptoms like sleep disturbance and visual hallucinations.

Slow gait and parkinsonian movement.

Tx = rivastigmine

66
Q

Types of Frontotemporal dementias?

Main symptoms?

A
  1. Behavioural-variant FTLD
  2. Primary progressive aphasia
  3. Pick’s disease
  4. Corticobasal degeneration
  5. Progressive supranuclear palsy
  • Change in personality and behaviour
67
Q

Cognitive screening tools for dementia?

A

ADDENBROOKES = most diagnostic. <82 = abnormal

MMSE
MoCA
AMT

68
Q

What are the differentials for memory problems / dementia?

A
  • dementia
  • Organic causes:
    1. Alcohol
    2. Wilson’s / PD / huntingtons
    3. Renal / hepatic failure
    4. Hypothyroid
    5. Viral - syphillis / HIV
  • vascular - stroke
  • malignancy
69
Q

What could the DDx be for hallucinations or delusions?

A
  1. Schizophrenia
  2. Psychotic disorders - bipolar/ severe depression
  3. Dementia - DLB, PD
  4. Other - trauma, stress, drugs, alcohol
70
Q

What are the first rank symptoms for schizophrenia?

A
  1. Hallucinations - 3rd person or somatic
  2. Delusional perception - attribute false meaning to real stimuli
  3. Thought alienation
  4. Passivity phenomena - feel external control of thoughts/ feelings
71
Q

What are the non-first rank symptoms for schizophrenia?

A
  • Incongruous mood
  • Abnormal speech and thoughts
  • Negative symptoms
  • Catatonic behaviour
  • Any persistent hallucination
72
Q

What are the 6 subtypes of schizophrenia?

A
  1. Paranoid
  2. Hebephrenic / disorganised
  3. Catatonic
  4. Undifferentiated
  5. Residual
  6. Simple
73
Q

What are the features of paranoid schizophrenia?

A
  • Persecutory and/or grandiose delusions

- no thought disorder or flat affect

74
Q

What are the features of Hebephrenic / disorganised schizophrenia?

A
  • Thought disorder and flat affect both present
75
Q

What are the features of catatonic schizophrenia?

A
  • Catatonic stupor or waxy flexibility
76
Q

What are the features of undifferentiated schizophrenia?

A

Psychotic symptoms present but criteria for other subtypes not met

77
Q

What are the features of residual schizophrenia?

A

Positive symptoms are present at a low intensity

78
Q

What are the features of simple schizophrenia?

A

Progressive and prominent negative symptoms with no history of psychotic episodes

79
Q

What investigations would you do for hallucinations / delusions?

A
  • rule out drugs - urine screen
  • rule out alcohol - LFTs. FBC, macrocytes
  • rule out syphillis - serology
  • rule out SOL - CT head
80
Q

Schizophrenia management?

A
  1. Atypical antipsycotics (Respiridone, Olanzipine)
  2. Typical antipsycotics (Haloperidol, Chlorpromazine)
  3. Clozapine in treatment resistant schizophrenia

CBT

81
Q

What is schizoaffective disorder?

A

Symptoms of both mania/depression and hallucinations/delusions in a small time frame.
Tx = Mood stabilisers and antipsychotics

82
Q

What is the definition of a personality disorder?

A

enduring and pervasive disturbance in several areas of the personality which impairs functioning, and is present in a broad range of situations.

83
Q

What is the management for personality disorders?

A
  • Dialectical behavioural therapy (DBT) for EUPD
  • CBT
  • Interpersonal therapy
  • medication only helpful to encourage engagement with therapy*
84
Q

What are the subtypes of Cluster A schizophrenia?

A
  1. Paranoid
  2. Schizoid = voluntary social withdrawal
  3. Schizotypical = socially awkard, odd, spiritual thoughts
85
Q

What are the subtypes of cluster B schizophrenia?

A
  1. EUPD = self harm/ suicide risk
  2. Antisocial = manipulative, impulsive, lack empathy
  3. Histrionic = Preoccupied with appearance, sexually inappropriate
  4. Narcissistic
86
Q

What are the subtypes of cluster C schizophrenia?

A
  1. Avoidant = desire companionship but fear rejection
  2. Dependent = unwilling to take self-responsibility
  3. OCPD = perfectionism
87
Q

What is complex PTSD?

A

Mix of EUPD and PTSD, patients have usually experienced significant trauma

88
Q

Name 4 types of sleep disorder?

A
  1. Narcolepsy
  2. Sleep apnoea
  3. Circadian rhythm disorders
  4. Parasmonia (nightmares, sleep walking/talking, restless leg syndrome)
89
Q

How are sleep disorders managed?

A

Sleep hygiene advice (limit caffeine, alcohol, smoking / daily exercise, relaxing activities in evenings)
CBT
Medications:
1. Lorazepam
2. Z drugs (Zopiclone, Zaleplon, Zolpiderm)
3. Sedating hhistamines - promethazine

90
Q

Suicide risk assessment (SAD PERSONS)

A
Sex (male)
Age (peaks in young and old)
Depression
Previous attempts/ severity of means
Ethanol
Rational thinking lost (schiz)
Support network lost
Organised plans
No significant others
Sickness
  • 5-6 = hospitalisation?
  • 7-10 = definite hospitalisation
91
Q

What is section 2 of the mental health act?

A

Detained for assessment

28 days long

Approved by 2 doctors + 1 AMHP

92
Q

What is section 3 of the mental health act?

A

Detained for treatment

6 months long (can be renewed)

Approved by 2 doctors + 1 AMHP

93
Q

What is section 4 of the mental health act?

A

Emergency order + not enough time for 2nd doctor to attend

72 hours long

Approved by 1 doctor + 1 AMHP

94
Q

What is section 5(2) of the mental health act?

A

Doctor’s holding power for patients admitted but wanting to leave

Cannot be coercively treated

72 hours long

95
Q

What is section 5(4) of the mental health act?

A

Nurse’s holding power

Cannot be coercively treated

6 hours long

96
Q

What is section 135 of the mental health act?

A

Allows police to enter a property for a MHA assessment

97
Q

What is section 136 of the mental health act?

A

People who need immediate help can be taken away from public areas to a place of safety and detained by police for up to 72 hours.

98
Q

What is section 17 of the mental health act?

A

Allows ward leave for patients detained under section 2 or 3, agreed by consultant psychiatrist

99
Q

What is a compulsory treatment order?

A

For patients being discharged from section 3 but still require compulsory treatment in the community. It lasts for 6 months and pts can be brought back to hospital if not compliant.

Done under section 17.

100
Q

What are the 5 principles of the mental capacity act?

A
  1. Assume capacity
  2. Individual supported to make own decision
  3. Unwise decisions do not mean lack of capacity
  4. Best interests
  5. Least restrictive practice
101
Q

How do you assess capacity?

A
Does the person have impairment of mind?
Understand?
Retain?
Weigh up?
Communicate decision?
102
Q

What is an Independent mental capacity advocate (IMCA)

A

Appointed for someone who lacks capacity but has no one to support them in decisions

103
Q

What is an advanced statement?

A

Non-legally binding written document stating a persons wishes should they lose capacity.

104
Q

What is an advanced directive / decision?

A

Legally binding document for the REFUSAL of certain medical interventions, made when person has capacity.

105
Q

What is the lasting power of attorney?

A

Designated person to make decisions on patients behalf if they lack capacity in the future.

106
Q

What is the court of protection?

A

Make decisions if no lasting power of attorney and resolves disputes with treatment plans in complex cases.

107
Q

What is a DOLS (deprivation of liberty safeguards)?

A

For a person who lacks capacity and is in a hospital or care environment

108
Q

What is a somatisation disorder?

A

Multiple physical SYMPTOMS present for at least 2 years

Patient refuses to accept reassurance or negative results

109
Q

What is a hypochondrial disorder?

A

Persistent belief in a serious underlying DISEASE (eg.cancer)
Patient refuses to accept reassurance or negative results

110
Q

What is a conversion disorder?

A

Typically involves loss of sensory or motor function
Patient doesn’t consciously feign symptoms (factitious disorder) or seek materialistic gain (malingering)
Patients may be indifferent to apparent disorders (La Belle indifference)

111
Q

What is dissociative disorder?

A

A process of separating off certain memories from normal consciousness
Involves psychiatric symptoms (amnesia, stupor…)
Dissociative identity disorder is the new term for multiple personality disorder and is the most severe type

112
Q

What is factitious disorder?

A

Also known as Munchausen’s

Intentional production of psychological or physical symptoms

113
Q

What is malingering?

A

Simulation or exaggeration of symptoms with the hope of financial or material gain

114
Q

NICE guidelines quality statements for self harm

A
  1. Dignity + respect
  2. Initial assessment of physical health, mental state, safeguarding concerns and social circumstances including risk of repeat harm or suicide
  3. Comprehensive psychosocial assessment
  4. Monitor while in healthcare setting to reduce risk of further harm
  5. Safe environment
  6. Continued support
  7. Psychological interventions (3-6 counselling sessions)
  8. Collaborative plan for moving between services