![]() Electrocardiography showed complete AV block with ventricular escape rate of 43 beats per minute. He had a history of oral cavity cancer a year ago, and the tumor was treated by surgical excision after induction chemotherapy and concurrent chemoradiation therapy. ![]() Case presentationĪ 70-year-old male presented with dizziness for 2 days. Here, we report a case of recurred oral cavity cancer presenting with complete atrioventricular (AV) block caused by cardiac metastasis. Intracardiac invasion of head and neck cancer is extremely rare.
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