Transient recurrent ventricular fibrillation due to hypopotassemia with a special note on the U wave.
D000219:Adams-Stokes Syndrome / Q000209:etiology* / Q000503:physiopathology; D000368:Aged; D001794:Blood Pressure; D004562:Electrocardiography; D005260:Female; D006801:Humans; D007008:Hypokalemia / Q000150:complications*; D010701:Phonocardiography; D011188:Potassium / Q000097:blood; D012964:Sodium / Q000097:blood; D014693:Ventricular Fibrillation / Q000209:etiology*
D012964:Sodium; D011188:Potassium