title: A case of recurrent syncope.
authors.affiliation: University of Western Ontario, London, Canada.
authors.forename: M A
authors.initials: MA
authors.lastname: Barlow
authors.forename: C S
authors.initials: CS
authors.lastname: Simpson
mesh_terms: D003329:Coronary Vasospasm / Q000150:complications / Q000175:diagnosis*; D004562:Electrocardiography; D006327:Heart Block / Q000150:complications / Q000175:diagnosis; D006801:Humans; D008297:Male; D008875:Middle Aged; D012008:Recurrence; D013575:Syncope / Q000209:etiology*