SIADH
(euvolemia or mild hypervolemia, typically inapprop Uosm >100, UNa >20 mEq/L ) Malignancy: lung (SCLC), brain, GI, GU, lymphoma, leukemia, thymoma, mesothelioma Pulmonary: pneumonia, TB, aspergillosis, asthma, COPD, PTX, mechanical ventilation Intracranial: trauma, stroke, SAH, seizure, infxn, hydrocephalus, Guillain-Barré Drugs: antipsychotics, antidepress. (SSRI, TCA, MAOi), haloperidol, chemo (vincristine, cisplatin), AVP, MDMA, NSAIDs, opiates, amiodarone (Am J Kidney Dis 2008;52:144) Miscellaneous: pain, nausea, postoperative state