Prinzmetal's variant angina.
D000787:Angina Pectoris / Q000209:etiology*; D000788:Angina Pectoris, Variant / Q000209:etiology*; D003251:Constriction, Pathologic / Q000150:complications; D003327:Coronary Disease / Q000150:complications*; D003331:Coronary Vessels; D006801:Humans