Mood disorders Flashcards

1
Q

Depression diagnosis criteria:

  • At least one of what 2 core symptoms
  • And at least how many symptoms in total?
  • Mnemonic: A SAD FACES
A

a) Persistent sadness or low mood; anhedonia
b) 5 in total

c) 9 symptoms in DSM-IV:
•A = Appetite (Weight Change)
•S = Sleep (Insomnia / Hypersomnia)
•A = Anhedonia
•D = Depressed mood
•F = Fatigue
•A = Agitation / Retardation
•C = Concentration Diminished
•E = Esteem (Low) / Guilt
•S = Suicide / Thoughts of Death
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Dysthymia

A

Dysthymia is a chronic depressive state of more than two years in duration, which does not meet full criteria for major depression and is not the consequence of a partially resolved major depression.

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

Who should be screened for depression?

think PMHx, risk factors, other conditions, symptoms

A
  • Past history of depression
  • significant physical illness or disability
  • other mental health problems
  • Parkinson’s disease
  • Dementia
  • The puerperium - prevalence around 13%
  • Alcoholism and drug abuse - it may be difficult to decide if depression is the cause or effect of substance abuse but it may be desirable to treat both.
  • Victims of abuse.
  • Chronic pain
  • Stressful home environments.
  • The elderly.
  • Social isolation.
  • Unexplained symptoms.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Screening for depression

a) Tool : uses the DSM-IV criteria (A SAD FACES)
b) 2 initial screening Qs
c) If yes to either, 3 follow up questions

A

a) PHQ-9

b) •During the last month have you been feeling down, depressed or hopeless?
•During the last month have you often been bothered by having little interest or pleasure in doing things?

c) During the last month…
•Feelings of worthlessness?
•Poor concentration?
•Thoughts of death?

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

Grading depression.

a) Number of symptoms required for diagnosis
b) Mild, moderate and severe
c) Management of each

A

a) At least 5

b) Mild - no functional impairment
- Moderate - some functional impairment
- Severe - marked functional impairment +/- psychosis

c) Mild - watchful waiting, IAPT
Mod - IAPT + antidepressant
Severe - psychiatry referral, consider ECT

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

When may antidepressants be considered in the context of mild depression

A
  • If mild depression persists after other interventions, or is associated with psychosocial and medical problems.
  • In mild depression complicating the care of physical health problems.
  • When a patient with a history of moderate or severe depression presents with mild depression.
  • With sub-threshold depressive symptoms present for at least two years or persisting after other interventions
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

When should moderate depression be treated with high-intensity CBT/IPT alone (rather than with antidepressant combined) ?

A

For an individual with a chronic health problem and moderate depression, this should be high-intensity psychological treatment alone in the first instance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Indications for psychiatric referral in depression

a) At diagnosis
b) After treatment

A

a) - active suicidal ideas or plans
- is putting themselves or others at immediate risk of harm
- is psychotic
- severely agitated
- self-neglecting

b) - inadequate response to 2 interventions
- comorbid organic disorder or substance abuse
- possible bipolar disorder
- recurrence of depression within 1 year

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What drug class are the following:

a) Citalopram, Fluoxetine, Sertraline
b) Duloxetine, Venlafaxine
c) Phenelzine, Hydrazine, Moclobemide
d) Mirtazapine
e) Reboxetine, Atomoxetine
f) Clomipramine, imipramine, amitryptilline
g) Agomelatine

A

a) SSRI
b) SNRI
c) MAOI
d) Tetracyclic antidepressant
e) NRI
f) TCA
g) A melatonin receptor agonist and a selective serotonin-receptor antagonist (does not affect reuptake)

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

Risk factors for depression recurrence

A
  • ≥3 episodes of major depression.
  • High prior frequency of recurrence.
  • An episode in the previous 12 months.
  • Residual symptoms during continuation treatment.
  • Severe episodes - eg, ‘suicidality’, psychotic features.
  • Long previous episodes.
  • Relapse after drug discontinuation
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Mania vs hypomania

a) Speech
b) Psychosis
c) Energy
d) Risk taking
e) Functioning
f) Insight
g) Duration

A

a) Pressured speech vs. talkativeness
b) Psychosis vs. no psychosis
c) Hyperactivity vs increased energy
d) Very risky vs. moderate risk
e) Mania - lose functioning
f) Mania - lose insight
g) Mania = 1 week; hypomania < 4 days

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Mania

a) Characterised by what things
b) Give 3 types of mood ‘elevation’
c) Mnemonic: DIG FAST
d) Causes
e) vs hypomania

A

a) Elevated mood, increased energy, loss of insight/functioning, with or without psychosis
b) Euphoric, irritable, angry

c) Distractibility,
Inhibition lost (spending spree, sexual frivolity)
Grandiosity (+/- other psychotic features)
Flight of ideas,
Activity increased (and psychomotor agitation)
Sleep decreased,
Talkativeness (pressured speech)

d) Bipolar disorder
- Drugs: steroids (and Cushing’s), cocaine

e) - Functional ability
- Psychosis
- Length of episode (7+ days for mania)

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

‘Rapid cycling’ in bipolar

A

Four or more cycles of depression and mania in a year, with no intervening asymptomatic episodes

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

Mnemonic:

LITHIUM

A
Leukocytosis
Insipidus
Tremors
Hypercalcaemia
Increased weight
Underactive thyroid
Mums beware: teratogen (Ebstein's anomaly)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

MSE for patient with psychotic depression

a) Appearance
b) Behaviour
c) Speech
d) Mood and affect
e) Thought form
f) Thought content
g) Cognition
h) Insight

A

a) Dishevelled, neglect, somnolent, slouched
b) Psychomotor retardation, poor eye contact
c) Latency, slow, soft, poverty of speech
d) Depressed, blunted affect
e) Linear, goal-directed
f) Suicidal, mood-congruent 3rd/2nd person AHs (often COMMAND), paranoid/persecutory/nihilistic delusions
g) Alert, poor recall, poor concentration, poor co-operation
h) May be present

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Before starting lithium…

a) 4 baseline bloods
b) 1 examination
c) 1 CV test
d) Other basic assessments

A

a) FBC, U and E (especially for hyponatraemia), TFTs, eGFR
b) Thyroid
c) ECG
d) Weight, BP and HR

17
Q

Drug classes that interfere with lithium

A

Big one:
•Diuretics (particularly thiazides) - increase lithium concentration - can result in toxicity, or worsen nephrogenic DI

Others:
•Angiotensin-converting enzyme (ACE) inhibitors.
•Non-steroidal anti-inflammatory drugs (NSAIDs).
•Selective serotonin reuptake inhibitors (SSRIs) - sometimes co-prescribed.

18
Q

Lithium: advice for pregnancy and breastfeeding

A

Pregnancy:

  • avoid in the first trimester (teratogenic).
  • Only use in the second and third trimester if considered essential (i.e. a severe risk to the patient)
  • monitor levels closely, as dose requirements may alter.

Breast-feeding:

  • avoid, as present in milk and there is risk of toxicity in an infant.
  • Bottle-feeding is advisable
19
Q

Lithium concentrations:

a) Therapeutic range
b) Toxicity: signs
c) Management: moderate and severe toxicity

A

a) 0.4 - 1.0 mmol/L (usually toxic > 1.5)

b) •Anorexia, diarrhoea and vomiting. •Drowsiness, apathy, restlessness. •Dysarthria. •Dizziness, ataxia, poor co-ordination, muscle twitching, coarse tremor.
Severe toxicity: •Hyperreflexia, convulsions. •Collapse, coma. •Renal failure, dehydration, circulatory collapse •Hypokalaemia. •Death

c) Moderate.
- Stop lithium, check level
- Refer for urgent assessment
- Encourage fluids, stop diuretics
- Monitor electrolytes and renal function

Severe.

  • Admit as an emergency
  • Whole bowel irrigation may be considered if large quantities have been ingested)
  • May need haemodialysis.
20
Q

Suicide risk

SAD PERSONSS

A
Sex (male)
Age (40-44)
Depression or hopelessness
Previous suicide attempt
Ethanool/drug use
Rational thinking lost
Separated/divorced/widowed
Organised plan
Social support loss
Stated plan to self harm
21
Q

Delusions common in depression

Mnemonic: DOPING

A
Disease
Owing money
Poverty
Inadequacy
Nihilism - dead, rotting
Guilt
22
Q

Depression screening tool for PND

A

Edinburgh Postnatal Depression Scale (EPDS)

23
Q

Drugs that can induce a manic episode

a) Psychiatric
b) Non-psychiatric
c) Recreational

A

a) SSRI, SNRI, TCA, MAOI
b) L-Dopa, corticosteroids, thyroxine, D2-agonists
c) Amphetamines, cocaine

24
Q

Othello syndrome

A

Delusion of jealousy/ infidelity - believe partner is being unfaithful without proof

25
Q

After a suicide attempt:

a) What scale can be used to determine the intent of this act?
b) What are the 12 criteria? (If They Present After Failed Suicide, Let Suicidal Patient Relay Pertinent Details)

A

a) Pierce Suicide Intent Scale
b) Isolation, Timing, Precautions against rescue, Acting to gain help, Final acts in anticipation, Suicide note, Lethality, Stated intent, Premeditation, Reaction to act, Predictable outcome, Death without medical treatment

Score out of 25:
<4 = low risk; 4-10 = medium risk; >10 = high risk

26
Q

Do DVLA need to know if you have bipolar or other psychiatric disorders?

A

Yes, due to possible impact of medication

But should be okay to drive provided stable with minimal side effects (it’s all about FUNCTION)

27
Q

Bipolar disorder: diagnosis

A
  • At least 2 episodes of elevated or depressed mood (including at least 1 manic/ hypomanic episode)
28
Q

Drug side effects

a) Lamotrigine
b) Carbamazepin

A

a) Rash, Stephen-Johnson’s syndrome

b) Rash, neutropenia

29
Q

Depression: drug management

A

1st line: SSRI,
2nd line: a different SSRI
3rd line: a 2nd line drug (eg. SNRI, mirtazepine)

30
Q

Manic episode: management

a) Initial assessment
b) Treatment
c) Follow-up

A

a) - Assess risk
- If risk, MHA invoked +/- rapid tranquilisation
- Involve early intervention team/ crisis team/ CMHT

b) Biopsychosocial:
- Antipsychotic - eg. quetiapine
- ECT

c) Weekly for 6 weeks

31
Q

Bipolar: management

A

Biopsychosocial
- CBT/IBT, couples, counselling, group

  • Treat co-morbid disorders
  • 1st line: lithium
  • 2nd line: add valproate
32
Q

Investigations for reversible causes of depression

A

Bloods.
- FBC, glucose, U&Es, LFTs, TFTs, calcium levels

?Urine toxicology

?Imaging

33
Q

Prescribing SSRIs: advice for patients

  • Review
  • Side effects
  • Stopping
A
  • Early review (within 1 week if suicidal, within 2 weeks if not)
  • Delay in onset of effect (2-4 weeks)
  • Importance of compliance
  • Possible increase in suicidal ideation initially
  • Risk of GI upset / bleeding
  • Time course of treatment (at least six months from remission in symptoms to reduce the risk of relapse; 2 years in those with hx of relapse/ severe case)
  • Stopping antidepressants: needs to be done gradually