title: Ergonovine-induced coronary spasm refractory to intracoronary nitroglycerin but responsive to nitroprusside.
mesh_terms: D017023:Coronary Angiography; D003329:Coronary Vasospasm / Q000139:chemically induced / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000188:drug therapy; D004874:Ergonovine / Q000009:adverse effects; D005292:Ferricyanides / Q000008:administration & dosage*; D006801:Humans; D008297:Male; D008875:Middle Aged; D005996:Nitroglycerin / Q000008:administration & dosage*; D009599:Nitroprusside / Q000008:administration & dosage*
chemical_list: D005292:Ferricyanides; D009599:Nitroprusside; D005996:Nitroglycerin; D004874:Ergonovine