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[Severe hypotension and atrio-ventricular block in a patient of left lung cancer associated with myocardial bridging].

A 74-year-old man with myocardial bridging was referred to our hospital for operation of the left lung cancer. He underwent upper lobectomy of the lung under general anesthesia. After lobectomy and bilateral lymph node resection, severe hypotension occurred without ECG change. The blood pressure was restored by cardiac massage and the administration of fluids and vasoactive agents. After the closure of the sternum, hypotension occurred again and complete A-V block appeared. After resuscitation, A-V block disappeared. He was extubated the day after surgery without any neurogical deficit. We consider that hypovolemia and myocardial bridging induced hypotension and complete A-V block.