Isolated T wave alternans.
D001145:Arrhythmias, Cardiac / Q000097:blood / Q000150:complications* / Q000503:physiopathology; D004562:Electrocardiography; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans; D006996:Hypocalcemia / Q000150:complications* / Q000503:physiopathology