吞咽诱发室上性心动过速(下称室上速)的机制不明,本文报道一例与颅脑外伤有关者。患者女,51岁,本院护士。进餐时发生心悸20天来内科首次门诊。既往无心动过速史。40天前从公共汽车上跌下,后脑着地,意识丧失。经别人扶起,旋即恢复清醒。送至医院,发现枕部皮下有6×4cm大小血肿,诊断为脑震荡。往院10天,好转出院。10天后出现阵发性心悸,皆于吞咽时发作。首次门诊检查:血压15.0/10.0kga Swallow induced supraventricular tachycardia (hereinafter referred to as supraventricular tachycardia) mechanism is unknown, this article reports an example of brain trauma related. Female patient, 51 years old, hospital nurse. Palpitation occurs during meals for the first time in 20 days. No previous history of tachycardia. 40 days ago fell from the bus, brain back, loss of consciousness. Assisted by others, immediately resume sober. To the hospital and found a subcutaneous occipital 6 × 4cm size hematoma, diagnosis of concussion. To hospital for 10 days, improved discharged. Paroxysmal palpitations ten days later, all in swallowing attack. First out-patient examination: blood pressure 15.0 / 10.0kga