mood (affective) disorders Flashcards

1
Q

most important question to ask in depression history

A

any prior manic, hypomania or mixed episodes that would indicate presence of bipolar disorder

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2
Q

mild vs moderate vs severe depression

A

domain = family, social, educational, occupationa etc

mild - difficultly continuing to function in 1 or more

mod - difficultly multiple domains

severe - most domains

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3
Q

ICD-11 classification of a depressive episode

A

a period of depressed mood or diminished interest in activities occurring most of the day, nearly every day lasting at least 2 weeks accompanied by other symptoms such as
o Difficulty concentrating
o Feelings of worthlessness or excessive or inappropriate guilt
o Hopelessness
o Recurrent thoughts of death or suicide
o Changes in appetite or sleep
o Psychomotor agitation or retardation
o Reduced energy or fatigue

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4
Q

cotard’s syndrome

A

More common in elderly
Often nihilistic (life in meaningless) delusions – I cant eat because my bowels have turned to dust

(type of psychotic depression)

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5
Q

depression severity scales

A

Hamiltons rating scale for depression (HRSD)
Montgomery-Asperg Depression rating scale (MADRS)
Beck depression inventory (BDI)

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6
Q

management of mild depression

A

Antidepressants not recommended initially
Watchful waiting, assess again in 2 weeks
Consider offering one or more low-intensity psychosocial interventions – CBT

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7
Q

management of moderate-severe depression

A

Offer antidepressant combined with high intensity psychological treatment - CBT or interpersonal therapy (IPT)

First line = SSRI – escitalopram, sertraline, mirtazapine
* No benefit felt by 6 weeks – change drug
2nd line = switch SSRI
3rd line = different class of antidepressant
* Venlafaxine (SNRI)
* Tricyclic antidepressant - cardiotoxic
* MAOI - phenelzine, moclobemide

Urgent psychiatric referral if suicidal ideas or plans (someone else at risk), psychotic, severely agitated or self-neglecting
o ECT (electroconvulsive therapy) is reserved for most severe cases - generalised seizure is induced

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8
Q

when a child responds to depression medication, how long should it be continued for?

A

6 months post remission
- response can take several weeks

if no response -> intensive psychological therapy

admnit if high risk of self harm, sicide, self-neglect, or safegaurding issue

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9
Q

management of mild depression in children

A

Watchful waiting for 2 weeks
Group IPT/CBT, non-directive supportive therapy for 2-3months

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10
Q

management of moderate to severe depression in children

A

Individual psychological therapy - CBT, IPT, family therapy, non-directive supportive – 4-6sessions

 1st line = fluoxetine, 10mg to max of 20mg
 2nd line = sertraline or citalopram

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11
Q

pathophysio of self harm

A

self-harm promotes release of endorphins
Brings temporary distress reduction – through negative reinforcement, these behaviours are repeated

biggest risk factor for suicide
most are attempts to maintain control in very stressful situations

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12
Q

Self harm scoring system

A

SAD PERSON
sex, age, depression, previous attempt, ethnol abuse, rational thinking loss, social supports lacking, organised plan, no spouse, sickness

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13
Q

guidelines for action with self harm scale

A

SAD PERSONS
0-2 send home with follow up
3-4 close follow up, consider hospitalisation
5-6 strongly consider hospitalisation
7-10 hospitalise or commit

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14
Q

what question is important to ask post self-harm?

A

feelings of hopelessness

no release of discomfort after self injury
intent to escape pain
“one way out”

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15
Q

define mania

A

severe functional impairment or psychotic symptoms for 7 days or more

  • psychotic symptoms - delusions, auditory hallucinations
  • euphoria, irritability
  • pressure speech, increased self-esteem
  • decreased need for sleep
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16
Q

difference between mania + hypomania

A

mania - >=7 days, psychotic symptoms, grandiosity

hypomania - <7days (3-4), no psychotic symptoms, no impairment of social or work capacity

16
Q

difference between mania + hypomania

A

mania - >=7 days, psychotic symptoms(delusions, auditory hallucinations, grandiosity)

hypomania - <7days (3-4), no psychotic symptoms, no impairment of social or work capacity

17
Q

types of bipolar

A

bipolar type I = mania or mixed + depression

bipolar type II = hypomania + depression

18
Q

predictors of poor outcome in bipolar

A

early onset
low socioeconomic status
subsyndromal mood symptoms
rapid mood fluctuation
mixed presentations
cormorbid disorders

psychosis

19
Q

acute manic episode management

A

1 - atypical antipsychotic (olanzapine, quetiapine, risperidone)
2 - valproate, lamotrigine

benzodiazepines or Z drugs can be used for symptoms control - agitation, insomnia
consider stopping antidepressant if takes

20
Q

acute bipolar depression management

A

1 - atypical antipsychotic - quetiapine or olanzapine

antidepressant avoided - can cause mood cycling
fluoxetine may be suitable in some cases

21
Q

bipolar maintenance management

A

lithium = gold standard, (mood stabiliser)

+ valporate if primarily manic/hypomanic
**must monitor ECG, U+Es, TFTs, calcium

if patient not want monitoring - combinations of valporate, quetiapine + olanzapine

22
Q

lithium and pregnancy

A

Can continue if manic or depressive symptoms have not been stable

Risk of developing fetal abnormalities highest in first trimester
-> Ebsteins anomaly

23
Q

mode of action of lithium (carbonate)

A

may block phosphatidylinositol or onhibot glycogen synthase kinase 3-beta or modulate NO signalling

interferes with inositol triphosphate formation
interferes with cAMP formation

24
Q

how is lithium excreted?

A

RENALLY - liver is not involved

25
Q

monitoring of lithium (narrow therapeutic index)

A

12hrs post dose bloods

target ranfe = 0.4-1 mmol/l with higher end of range being associated with better response

26
Q

side effects of lithium

A

fine tremor
nephrotoxicity - polyuria, diabetes insipidus
thyroid enlargement - hypothyroidism
ECD - T wave flattening, inversion
weight gain
leucocytosis
hyperparathyroidism -> hypercalcaemia
dry mouth/strange taste

27
Q

features of lithium toxicity

A

coarse tremor
hyperreflexia
polyuria
seizure, coma
confusion

28
Q

which anticonvulsant causes neural tube defects

A

valproate

(lamotrigine - risk of stevensjohnson syndrome)

29
Q

postpartume (peuerperal) psychosis

A

Severe mental illness that develops acutely in the early postnatal period, usually within the first month (2-3weeks) following delivery

o Acute sudden onset of psychotic, manic symptoms / disinhibition, confusion
o Psychiatric emergency – safeguarding risks
o different to post-natal depression
o 1 in 1000 births, presents between 2-4weeks postpartum

severe mood swings, disordered perception (auditory hallucinations)
25-50% risk of recurrence following future pregnancies

30
Q

risk factors for postpartume (peuerperal) psychosis

A
  • Previous mental illness
  • Previous thyroid disorder
  • Family history
  • Being unmarried
  • First pregnancy
  • C-section
  • Perinatal death
31
Q

aeitiology of postnatal depression

A
  • 1 in 10 women – same as depression
    Opposed to postnatal blues – present in 50-75% of women
  • Usual onset 1-4weeks post partum

Cognitive behavioural therapy may be beneficial. Certain SSRIs such as sertraline and paroxetine* may be used if symptoms are severe