Boston scientific received information that this patient's blood pressure decreased while the physician was suturing the surgical pocket at an implant procedure.The physician determined that one the implanted leads had perforated the patient's tissue.A pericardiocentesis was performed and this right atrial (ra) lead thresholds measurements changed as result.The following day, a pericardial window procedure was performed and the perforation was considered resolved.The entire system remains implanted.No additional adverse patient effects were reported.
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