Spasm of the left anterior descending coronary artery.
D000787:Angina Pectoris / Q000150:complications; D001161:Arteriosclerosis / Q000150:complications; D017023:Coronary Angiography; D003331:Coronary Vessels; D004562:Electrocardiography; D006801:Humans; D008297:Male; D008875:Middle Aged; D010146:Pain / Q000150:complications; D013035:Spasm / Q000000981:diagnostic imaging / Q000209:etiology; D013577:Syndrome; D013896:Thoracic Diseases / Q000150:complications