It was reported that during a cryoablation procedure, after introduction of the sheath into the left atrium, st-elevation occurred.It was noted that the physician assumed air bubbles were introduced from the sheath.The sheath was replaced.The st-elevation persisted after introduction of the second sheath.The physician also noted more air aspiration than usual after insertion of both sheaths.The patient developed neurological deficits and the procedure was aborted.The patient did fully recover after an extended hospital stay.No further patient complications have been reported as a result of this event.
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