Information received by medtronic indicated that a patient had a pericardial effusion during a cryoablation procedure on (b)(6) 2014.After brockenbrough method for transseptal catheterization, cti ablation was performed using a radiofrequency (rf) catheter.Pulmonary vein isolation was then performed using cryoablation.Cryoablation catheter, sheath and mapping catheter were inserted into left atria.Pulmonary vein isolation was carried out in order of ls, li, ri and rs.After confirmation of isolation, cardiac ultrasound performed and showed pericardial effusion.The pericardial effusion was suctioned by pericardial drainage (approximately 200cc).The pressure has been gradually backed to the normal range with time.Device 2 of 3, reference mfr report: 3002648230-2014-00199 and 3007798852-2014-00019.
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