Coronary-artery spasm.
D000788:Angina Pectoris, Variant / Q000209:etiology / Q000503:physiopathology / Q000628:therapy; D000818:Animals; D006328:Cardiac Catheterization / Q000009:adverse effects; D003326:Coronary Circulation; D003327:Coronary Disease / Q000150:complications / Q000188:drug therapy / Q000209:etiology / Q000503:physiopathology*; D003331:Coronary Vessels / Q000187:drug effects / Q000294:innervation / Q000503:physiopathology; D006439:Hemodynamics; D006801:Humans; D009203:Myocardial Infarction / Q000209:etiology; D011942:Receptors, Adrenergic, alpha / Q000502:physiology; D013035:Spasm / Q000503:physiopathology; D014666:Vasomotor System / Q000503:physiopathology
D011942:Receptors, Adrenergic, alpha