in six patients with variant angina ( group 1 ) , ischemic electrocardiographic st changes , angina , and localized coronary spasm ( local coronary diameter reduction of 87.8 +/- 18.9 % [ mean +/- sd ] ) followed after 6 to 50 micrograms ( mean 20.7 ) cumulative intracoronary ergonovine .
C0002963
variant angina
C0014704
ergonovine