title: Unusual marker annotation: something shifty is going on.
authors: Department of Cardiology, University of Western Ontario, Ontario, Canada. drmathboy@hotmail.com
authors: Matthew T
authors: MT
authors: Bennett
authors: Peter
authors: P
authors: Leong-Sit
authors: George J
authors: GJ
authors: Klein
authors: Lorne J
authors: LJ
authors: Gula
authors: Andrew D
authors: AD
authors: Krahn
authors: Allan C
authors: AC
authors: Skanes
authors: Raymond
authors: R
authors: Yee
mesh_terms: D000368:Aged; D001145:Arrhythmias, Cardiac / Q000175:diagnosis*; D016477:Artifacts; D017147:Defibrillators, Implantable; D015716:Electrocardiography, Ambulatory / Q000295:instrumentation*; D004868:Equipment Failure; D006801:Humans; D008297:Male