title: Threshold behavior.
authors.forename: P A
authors.initials: PA
authors.lastname: Levine
mesh_terms: D000465:Algorithms; D004562:Electrocardiography / Q000295:instrumentation*; D004868:Equipment Failure; D004869:Equipment Safety; D006801:Humans; D008838:Microcomputers; D010138:Pacemaker, Artificial; D012815:Signal Processing, Computer-Assisted / Q000295:instrumentation*; D012984:Software