It was reported that during a cryo ablation procedure, after inserting the balloon catheter into the sheath the back flow of blood was aspirated from the sideport of the sheath and more air was aspirated than usual.
A slight st segment elevation was observed and the procedure was able to continue.
Later the occlusion was attempted but unable to be performed and after deflating the balloon, a remarkable st segment elevation was observed and the patient's blood pressure decreased and a transient atrioventricular block developed.
Medication was administered and intervention was performed.
The case was aborted.
A whole body computerized tomography (ct) scan was taken in addition to an magnetic resonance imaging (mri) of the head and no evidence of air was found; however, the physician stated air might have flown into the coronary artery.
The patient's hospitalization was extended and they were discharged at a later date.
No further patient complications have been reported as a result of this event.
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