Coronary arterial spasm.
D000328:Adult; D000787:Angina Pectoris / Q000209:etiology; D002404:Catheterization; D002932:Cineangiography; D017023:Coronary Angiography; D003327:Coronary Disease / Q000150:complications / Q000188:drug therapy* / Q000453:epidemiology*; D003645:Death, Sudden; D004562:Electrocardiography; D006801:Humans; D008297:Male; D008875:Middle Aged; D005996:Nitroglycerin / Q000627:therapeutic use*; D013035:Spasm / Q000150:complications / Q000188:drug therapy / Q000453:epidemiology
D005996:Nitroglycerin