Hypokalemia associated with sigmoid volvulus.
D000368:Aged; D012809:Colon, Sigmoid; D005734:Gangrene / Q000209:etiology*; D006801:Humans; D007008:Hypokalemia / Q000209:etiology*; D007415:Intestinal Obstruction / Q000150:complications*; D008297:Male; D014882:Water-Electrolyte Balance