bipolar Flashcards

1
Q

how would you explain what bipolar disorder is

A

bipolar disorder is a mental health condition characterized by reccurent fluctuations in mood and behavior encompassing extreme ends of the human experiences

experience intense high where you feel energetic, euphoric and may engage in impulsive behavior, or even feel irritable

but also episodes of extreme low where you feel sad, hopeless and lose interests in activities you used to enjoy

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2
Q

what are the risk factors of bipolar disorder

A
  • genetics
  • hx of trauma
  • physical stressors
  • seasonal changes
  • medications
  • treatment induced
  • medical conditions
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3
Q

what are the medical conditions that can lead to risk of bipolar

A

vitamins/ nutrition deficiencies
- essential AA
- fatty acids
- vitD

endocrine
- hypothyroidism (depression)
- hyperthyroidism (mania)
- pregnancy/ menstrual related

electrolyte/ metabolic abnormalities
- Ca/ Na fluctuations
- hyper/ hypoglycemia

CNS infections
- neurosyphillis
- HIV
- encephalitis

CNS disorders
- brain tumor
- head injuries
- multiple sclerosis

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4
Q

what are the treatments that can increase the risk of bipolar disorder

A
  • ECT
  • SSRIs due to increase NE/DA in first few days to 2w of treatment
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5
Q

what are the medications that can increase risk of mania

A

drugs of abuse
- ROH
- marijuana

drugs of withdrawal potential
- BZP
- ROH
- opiates

DA-augmenting agents

NE-augmenting agents

antidepressants
- TCA
- MAOI
- 5HT/ NE/ DA reuptake inhibitors
- 5HT antagonists

thyroid preparations
- T3
- T4

xanthines
- caffeine
- theophylline

OTC
- weight loss
- decongestants

herbal
- st john’s worst

steroids

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6
Q

what are the differentials for bipolar disorder

A
  • MDD
  • drug/ substance induced
  • anxiety disorder
  • schizoaffective disorder
  • personality disorder
  • attention deficit hyperactive disorder
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7
Q

what is the presentation and diagnostic criteria for bipolar disorder (DSM-5)

A

for depressive sx
- 5 or more of In SAD CAGES for >2w with functional impairment

for manic sx
- 3 or more of DIGFAST for 1w and longer with functional impairment with elevated mood

D istractability/ easily frustrated
I rresponsibility and erratic uninhibited behavior
G randiosity
F light of ideas
A ctivity level increased
S leep need decreases
T alkativeness

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8
Q

what are the general assessments for bipolar disorders

A
  1. HPI
  2. psychiatric hx
  3. substance use hx
  4. complete medical and medication hx
  5. family, occupational, developmental and social hx
  6. physical and neurological exam
  7. mental state exam
  8. labs and other investigations
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9
Q

what are the psychiatric rating scales for bipolar disorder

A

clinican-rated
for mood,
- young mania rating scale
*gold standard

for general/ functional,
- clinical global impression (CGI)
- global assessment of functioning (GAF)

for QoL
- short form 36

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10
Q

what are the goals of therapy for bipolar disorder

A
  • reduce frequency, severity and duration of mood episodes
  • prevent suicide
  • maximise adherence to therapy
  • minimise treatment related ADR
  • regain psychosocial functioning
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11
Q

what is the non-pharmacological management for bipolar disorder

A
  • psychoeducation (recognising early s/sx of mania and depression, charting mood changes, identifying and avoiding psychosocial/ physical stressors/ drugs/ substances that can trigger a mood episode, coping strategies, developing a crisis intervention plan, importance of compliance)
  • stress reduction/ relaxation
  • nutrition (regular intake of protein-rich food and drinks, essential fatty acids, and supplemental vitamins)
  • exercise
  • sleep hygiene (regular sleep wake cycle and good night routine)
  • psychotherapy (CBT)
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12
Q

what is the pharmacological management of bipolar disorder

A

for mania
- antipsychotics (FGA haloperidol; SGA olanzapine, quetiapine, risperidone (avail as LAI), aripiprazole)
- lithium

for depression
- antipsychotics (SGA olanzapine, quetiapine)
- lithium
- LTG (blocks voltage sensitive Na+ and Ca2+ channels)

*lithium is first line for maintenance and relapse, and for suicide prevention
- VPA can be as add on therapy (normalises Na+ and Ca2+ channels, increase GABA, decrease DA turnover, may decrease PKC)

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13
Q

what are the side effects of lithium

A

acne, tremor, fatigue, weight gain, nausea, ECG changes, polyuria, hypothyroidism, diabetes insipidus, cognitive impairment

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14
Q

what is the moa of lithium

A
  • normalises/ inhibits secondary messenger system, may decrease PKC
  • decrease 5HT reuptake and decrease DA release
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15
Q

what is the monitoring parameters of lithium

A
  • TFT
  • RFT
  • urinalysis
  • EKG
  • pregnancy test
  • FBC
  • electrolytes
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16
Q

what is the concern with lithium, elaborate on the presentation and risk factors

A
  1. lithium toxicity
    - mild (1.5-2.0): N/V, loose stools, coarse hand tremors, confusion, lethargy, lightheadedness
    - moderate (2.0-2.5): severe N/V/D, slurred speech, blurred vision, profound lethargy, tinnitus, apathy, ataxia, worsening confusion
    - severe (3.0 and higher): severe N/V/D, increased deep tendon reflexes, stupor, coma, seizures, death, seriously impaired consciousness

risk factors of lithium toxicity are STAND
- S odium depletion
- T hiazides
- A CEi/ARB
- N SAIDs
- D ehydration

  1. neurotoxicity
    risks with concom
    - CBZ
    - diltiazem
    - losartan
    - PHT
    - methyldopa
    - levodopa
    - metronidazole
    - verapamil
17
Q

what is the target serum concentration for lithium

A

*within 5 days
- for acute mania, 0.8-1.0mEq/L
- for maintenance, 0.6-1.0

18
Q

how to manage bipolar disorder in pregnancy and elderly

A

pregnancy
- avoid VPA due to risk of neural tube defects
- avoid CBZ due to teratogenic risk
- avoid lithium due to risk of ebstein’s anomaly
- consider use of olanzapine, quetiapine, risperidone but monitor for s/e like gestational DM

elderly
- avoid CBZ due to many DDI and risk of decreased sodium
- LTG not heavily influenced by age

19
Q

what is the monitoring for bipolar disorder

A
  • initially q2w f/b q1m f/b q3m