Information received by medtronic indicated that the patient had a pericardial effusion during a cryoablation procedure.Following difficulty in placing the catheters in the left-sided pulmonary veins, an initial ablation was started.30 seconds into the ablation, it was noted that the arterial line pressure was low.An effusion was identified by ultrasound.Pericardiocentesis was performed and protamine was given to reverse heparin.Two units of blood given and patient's blood pressure stabilized.No further effusion was observed on ultrasound.The cryoablation procedure was cancelled.A ct surgeon was consulted, but there was no need for surgical repair post procedure.Device 1 of 3, reference mfr report: 3002648230-2014-00088 and 3007798852-2014-00009.
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