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Bipolar
| Question | Answer |
|---|---|
| Bipolar I | manic and major depressive episodes |
| Bipolar II | hypomanic and major depressive episodes |
| Cyclothymia | numerous of hypomanic and depressed episodes not classified as major; occur > 2 years |
| Lithium ADR | tremor, polydipsia, polyuria, nausea, diarrhea, weight gain, hypothyroidism, mental dulling |
| lithium levels | acute 0.6-1.2; maintenance 0.8-1.0 |
| Lithium CI | renal disease, severe CV disease, leukemia history, first trimester pregnancy, hypersensitivity |
| Lithium monitoring | thyroid, SCr/BUN, electrolytes, ECG, urinalysis, pregnancy, lithium level |
| mild lith tox | 1.5-2; GI upset, muscle weakness, fatigue, fine hand tremor, difficulty concentrating/memory |
| moderate lith tox | 2-2.5; ataxia, lethargy, nystagmus, worsening of confusion, severe GI upset, coarse tremors, increase in deep tendon reflexes |
| severe lith tox | >3; severely impaired consciosness, coma, seizures, resp complication, death |
| treatment of bipolar | lithium and VPA first line for acute/prophy; CBZ second line for acute/prophy; lamotrigine approved for bipolar I; atypical antipsychotics approved; Olanzapine/fluoxetine (symbyax); gabapentin for adjunctive; debatable about oxcarbazepine topiramate & CCB |