During the atrial fibrillation procedure, air aspiration and subsequent stroke occurred.The saline + heparin solution irrigation was replaced.After replacing the irrigation fluid, while flushing air bubbles, the tubing was left open to the patient and the tubing for the sheath was closed which flushed air into the left atrium.The patient went asystolic, and several interventions such as cpr and epinephrine were given.The patient regained normal sinus rhythm and normal vitals and the procedure was continued.Post procedure, it was determined via mri that the patient had a stroke.Air was visualized via ice.
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The results of the investigation are inconclusive since the device was not returned for analysis.The device was manufactured according to specifications as supported by the receiving inspection results.However, the event description states that when flushing air bubbles after replacing the saline + heparin solution the tubing set was left open to the patient which flushed air into the left atrium, consistent with the reported event.
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