title: Ventricular fibrillation during ergonovine maleate provocation of coronary arterial spasm.
mesh_terms: D000787:Angina Pectoris / Q000175:diagnosis*; D004562:Electrocardiography; D004874:Ergonovine / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008875:Middle Aged; D014693:Ventricular Fibrillation / Q000139:chemically induced*
chemical_list: D004874:Ergonovine