title: QT interval prolongation and torsades de pointes unmasked by intracoronary acetylcholine administration.
abstract: Intracoronary acetylcholine administration, which was performed to exclude vasospasms, unmasked an abnormal QT interval prolongation and initiated torsades de pointes in a patient with normal QT interval at rest.
authors.affiliation: First Department of Internal Medicine, Niigata University School of Medicine, Japan. chinushi@med.niigata-u.ac.jp
authors.forename: M
authors.initials: M
authors.lastname: Chinushi
authors.forename: I
authors.initials: I
authors.lastname: Nakagawa
authors.forename: T
authors.initials: T
authors.lastname: Hori
authors.forename: F
authors.initials: F
authors.lastname: Yamashita
authors.forename: T
authors.initials: T
authors.lastname: Washizuka
authors.forename: Y
authors.initials: Y
authors.lastname: Aizawa
mesh_terms: D000109:Acetylcholine / Q000008:administration & dosage; D000368:Aged; D003331:Coronary Vessels; D004562:Electrocardiography; D005260:Female; D006801:Humans; D007267:Injections; D016171:Torsades de Pointes / Q000175:diagnosis*
chemical_list: D000109:Acetylcholine