DDD pacemaker pseudomalfunction caused by PVC response and cross-talk detection windows can be resolved by disabling the PVC response option.
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May guide DDD pacemaker troubleshooting; single case leaves open need for confirmation.
DDD pacemaker pseudomalfunction occurred in a 65-year-old man. This was due to premature ventricular contraction (PVC) response option and cross-talk detection window, which are designed to protect against pacemaker related tachycardia or cross-talk. Pseudomalfunction disappeared by eliminating PVC response option.
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Ajiki et al. (1991) studied this question.
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