Letter: Variant anginal syndrome, coronary artery spasm, and ventricular fibrillation in absence of chest pain.
D000284:Administration, Oral; D000787:Angina Pectoris / Q000150:complications / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000188:drug therapy; D017023:Coronary Angiography; D003327:Coronary Disease / Q000000981:diagnostic imaging; D004554:Electric Countershock; D006801:Humans; D008134:Long-Term Care; D008297:Male; D008875:Middle Aged; D011802:Quinidine / Q000627:therapeutic use; D014693:Ventricular Fibrillation / Q000209:etiology* / Q000628:therapy
D011802:Quinidine