Boston scientific received information that, during the implant procedure of this right ventricular (rv) lead, the patient's oxygen saturation level decreased.It was suspected this rv lead perforated the heart wall.Pericardiocentesis was performed with fluid removal.There were no pauses in pacing of greater than 2 seconds.The pacing thresholds were low, but the rv lead was still able to pace and capture.The oxygen saturation levels continued to decrease, so the patient was intubated and administered epinephrine.It was noted the patient's underlying rhythm was between 33-34 beats per minute.This rv lead was explanted and a new rv lead was implanted.No additional adverse patient effects were reported.This lead will not be returned.Following the implant procedure, the patient was awake and responding to commands.
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