Patient had a mitral valve repair, tricuspid valve repair, and cryomaze procedure and epicardial pacer wires were placed after.Temporary atrioventricular (av) pacer wires were applied at end of surgery.A 1.5 hours after arrival to cardiac surgery unit, asynchronous pacing worked intermittently, then stopped working.There was lost capture on the v wire/pacemaker.Ma was increased to 23 to obtain capture w/ voo mode.Cable connectors and pacer boxes as well as batteries were switched out to help troubleshoot.
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