All are causes of acute hyponatremia except: (A) TURP surgery, (B) Exercise, (C) Recent institution of thiazides, (D) SIADH
Answer is D. Causes of Acute Hyponatremia Iatrogenic Postoperative: premenopausal women Hypotonic fluids with cause of | vasopressin Glycine irrigation: TURP, uterine surgery Colonoscopy preparation Recent institution of thiazides Polydipsia MDMA ("ecstasy," "Molly") ingestion Exercise-induced Multifactorial, e.g., thiazide and polydipsia Ref: Harrison 19e pg: 301