title: Atrial repolarization causing psuedoprolongation of the QT interval.
authors: Ron
authors: R
authors: Blankstein
authors: Rory
authors: R
authors: Childers
mesh_terms: D000368:Aged; D004562:Electrocardiography; D004594:Electrophysiology; D005500:Follow-Up Studies; D006325:Heart Atria / Q000503:physiopathology; D006329:Heart Conduction System / Q000503:physiopathology; D006339:Heart Rate / Q000502:physiology*; D006801:Humans; D008133:Long QT Syndrome / Q000175:diagnosis* / Q000503:physiopathology; D008297:Male; D012720:Severity of Illness Index