inforMED
InjuryDTA

MEDTRONIC UNIPOLAR CONNECTOR

Received Jul 29, 1994 · Event occurred May 30, 1994

Report 18099 · MDR key 18099

Device

Generic name

Pacemaker Lead

Manufacturer

Medtronic, Inc.

Model number

4557M - 53 CM

Product problems

  • Failure to Capture
  • Pacing Problem

Patient

61 YR

  • Cardiopulmonary Arrest

Narrative

Description of Event or Problem

DUAL CHAMBER RATE RESPONSIVE PERMANENT PACEMAKER WAS INSERTED ON 5/29/94. IN THE OR, THE PACEMAKER WAS NOTED TO BE FUNCTIONING WELL BUT THE ATRIAL OUTPUT DID NOT SEEM TO CAPTURE THE ATRIUM. A CHEST X-RAY WAS OBTAINED AND CONFIRMED PROPER LEAD PLACEMENT PRIOR TO THE COMPLETION OF THE SURGERY. THE ATRIUM COULD NOT BE ACED WITH VOLTAGES UP TO 8 VOLTS, AND NO CURRENT COULD BE MEASURED. THE ATRIUM ALSO APPEARED TO BE ELECTRICALLY INSERT. 18 HOURS S/P PACEMAKER IMPLANTATION, THE PATIENT DEVELOPED BRADYCARDIA AND ARRESTED. THE ARREST WAS BELIEVED TO BE DUE TO THE PACEMAKER'S FAILURE TO CATURE. THE PATIENT RECEIVED CPR AND WAS SUCCESSFULLY RESUSCITATED. THE PACEMAKER WAS SUBSEQUENTLY INTERROGATED AND REPROGRAMMED. THE PATIENT WAS DISCHARGED HOME WITHOUT ANY LONG TERM COMPLICATIONS.