Boston scientific received information stating: during pacemaker implant a st.Jude 2088tc was used.After several repositioning this lead also had poor r wave sensing with some positions having poor thresholds.Dr.Concluded due to severe scarring of the heart muscles it was difficult to find a lead position with good sensing and thresholds.The difficulty was not due to the lead but the patient's heart.Lead 2088tc was positioned were there were good thresholds but poor sensing and sensitivity on device was programmer to 0.5 mv.Dr g nair event date (b)(6) 2012 canada this report reflects information received by fda in the form of a notification per 803.22 (b)(2).
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