It was reported that this right ventricular (rv) lead exhibited undersensing of r-waves, resulting in the device providing pacing when not required.In addition, there was noise exhibited on the rv channel.The patient is not dependent.Unknown if a change in patient condition is a result of the observations.Technical services (ts) recommended further evaluation with following physician.The rv lead remains in service.No adverse patient effects reported.This report reflects information received by fda in the form of a notification per 803.22 (b)(2).
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