Giant T wave inversion.
D000219:Adams-Stokes Syndrome / Q000175:diagnosis*; D001919:Bradycardia / Q000175:diagnosis; D006332:Cardiomegaly / Q000175:diagnosis*; D002561:Cerebrovascular Disorders / Q000150:complications; D003327:Coronary Disease / Q000175:diagnosis*; D004562:Electrocardiography; D006327:Heart Block / Q000175:diagnosis*; D006352:Heart Ventricles; D006801:Humans; D006996:Hypocalcemia / Q000150:complications