It was reported during a routine device revision procedure that the pacemaker device and this right ventricular (rv) lead exhibited failure to capture and asystole for greater than 2 seconds, during thresholds testing (0.6v@0.4ms).Thresholds testing was re-attempted, post pocket closure and correctly identified thresholds at 0.7v @ 0.3ms.All other measurements were within normal range.Device remains implanted.Besides surgical intervention, no adverse patient effects were observed.This report reflects information received by fda in the form of a notification per 803.22 (b)(2).
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