Boston scientific received information that this cardiac resynchronization therapy pacemaker (crt-p) and right ventricular (rv) lead had in-range spikes in impedance, where on two occasions it had caused respiratory trend oversensing with pacing inhibition greater than two seconds.
The most recent episode caused the patient to become syncopal.
The thresholds were within normal limits.
The rrt trends were turned off in response.
The system remains in-service.
No additional adverse patient effects were reported.
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