European heart journal
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European heart journal · Oct 1983
Case ReportsSuppression of demand pacemakers due to spurious signals generated by inactive endocardial electrodes.
We report a case of oversensing observed in a patient with a VVI pacemaker. This phenomenon was provoked by an inactive lead whose tip was in close apposition with the tip of the stimulating electrode. ⋯ In the latter they assumed a P-like shape. Withdrawal of the temporary lead restored normal pacing.