bipolar affective disorder

Headline
Etiology Diagnosed after ≥2 episodes (≥1 hypo/manic episode). Type 1: manic episode; Type 2: hypomania.
Epidemiology
Clinical presentation mania: psychomotor agitation, racing thoughts, euphoria → grandiosity ("special powers"). Psychotic phenomena will be mood-congruent (vs schizophrenia etc). Dysphoria → irritability. <7d = hypomania

Mania vs hypomania: hypomania = shorter duration, better function
Ddx:
Pathogenesis
Diagnostic investigations
Management Non-pharm: sleep mx/hygiene; psychoeducation (re. triggers)
Pharm: 1st line stabiliser: Lithium (good for suicide prevention)
➥ Alternatives: Sodium valproate, lamotrigine
➥ Some antipsychotics have mood stabilising effects
Prevention