title: Prinzmetal's angina.
abstract: A 23-year-old man had Prinzmetal's variant angina. After strenuous exercise and isoprenaline infusion the electrocardiogram remained normal and the patient asymptomatic. Coronary angiography gave normal results which remained normal after administration of ergometrine. An injection of methacholine induced an attack.
mesh_terms: D000328:Adult; D000787:Angina Pectoris / Q000503:physiopathology*; D000788:Angina Pectoris, Variant / Q000139:chemically induced / Q000503:physiopathology*; D017023:Coronary Angiography; D005080:Exercise Test; D006801:Humans; D008297:Male; D008688:Methacholine Compounds
chemical_list: D008688:Methacholine Compounds