Difficulty synchronizing with Zoll PD 1200 defibrillator/monitor/pacemakers.
D004554:Electric Countershock / Q000295:instrumentation* / Q000379:methods; D004562:Electrocardiography / Q000295:instrumentation / Q000379:methods; D004868:Equipment Failure; D006801:Humans; D017180:Tachycardia, Ventricular / Q000628:therapy*