During a brockenbrough procedure, a polarsheath was selected for use.It was reported that a polarx balloon and a polarmap catheter were placed in the polarsheath, and a premap was performed with the map catheter.After premapping, the ablation was attempted in the left superior pulmonary vein (lspv), but the patient's blood pressure was low (150 in normal times, around 50 in abnormal times).An echocardiogram immediately confirmed the presence of blood in the pericardial cavity, which was diagnosed as cardiac tamponade.An echocardiogram was used to find a hole, but it could not be confirmed, and as a result, a pericardial puncture was performed.The blood could no longer be drawn, and the patient's blood pressure returned to around 100.After observing the situation for a while, hemostasis was performed.The procedure was not completed.
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