It was reported during avr and pvi procedure, during right pulmonary vein isolation transmurality was not achieved for 3 times and the conductance-line in display did not move for over 40 seconds, ablation lines were made.At this time, no error code was displayed.For the left pvi transmurality was achieved the second time.The operation was completed, then the bleeding was noticed from postoperative drain.A re-thoracotomy was conducted.The bleeding part was suspected the position from pvi, but not from it.
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