Profound hypotension and near syncope during coronary artery spasm.
D003329:Coronary Vasospasm / Q000150:complications*; D004562:Electrocardiography; D005080:Exercise Test / Q000009:adverse effects*; D006801:Humans; D007022:Hypotension / Q000209:etiology*; D008297:Male; D008875:Middle Aged; D005082:Physical Exertion; D013575:Syncope / Q000209:etiology*