Potassium disorders and cardiac arrhythmias.
D000368:Aged; D001145:Arrhythmias, Cardiac / Q000209:etiology* / Q000628:therapy; D006801:Humans; D006947:Hyperkalemia / Q000628:therapy; D007008:Hypokalemia / Q000150:complications* / Q000628:therapy; D011188:Potassium / Q000097:blood
D011188:Potassium