title: Syncope as the initial symptom of silent coronary vasospasm.
authors.affiliation: Department of Cardiology, St. Louis University, MO.
authors.forename: R D
authors.initials: RD
authors.lastname: Underwood
authors.forename: E
authors.initials: E
authors.lastname: Caracciolo
authors.forename: P
authors.initials: P
authors.lastname: Bjerregaard
authors.forename: M C
authors.initials: MC
authors.lastname: Gamache
authors.forename: A
authors.initials: A
authors.lastname: Quattromani
authors.forename: D
authors.initials: D
authors.lastname: Janosik
mesh_terms: D000368:Aged; D006328:Cardiac Catheterization; D003329:Coronary Vasospasm / Q000150:complications / Q000175:diagnosis*; D004562:Electrocardiography; D004874:Ergonovine; D006801:Humans; D008297:Male; D012008:Recurrence; D013575:Syncope / Q000209:etiology*
chemical_list: D004874:Ergonovine