Prinzmetal's variant of angina pectoris with only slight coronary atherosclerosis.
D000787:Angina Pectoris / Q000150:complications*; D001145:Arrhythmias, Cardiac / Q000628:therapy*; D003327:Coronary Disease / Q000150:complications*; D005260:Female; D006801:Humans; D008875:Middle Aged; D010138:Pacemaker, Artificial