It was reported that this left ventricular (l v) lead exhibited a significant decrease in impedance measurements, but the impedances remained within normal specification limits.The l v lead was noted to be programmed to the lv lead tip to lv lead ring vector.X-rays were performed and the leads were observed to be intact and in the same position as previous x-rays.The lv lead remains in-service.No adverse patient effects were reported.This report reflects information received by fda in the form of a notification per 803.22 (b)(2).
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