患者,男,33岁。2d内反复晕厥10余次。既往体健,吸烟20年,每日1包,饮酒10年,每日2～5瓶啤酒。家族史无特殊。查体:神清,平车入院,头部纱布包扎,正常面容,临时起搏器带入,甲状腺无肿大,心率60次/min,心肺听诊无异常。辅助检查:院后查血常规:白细胞10.63×109/L,中性粒细胞70.4%。肌钙蛋 Patient, male, 33 years old. 2d repeated fainting more than 10 times. Past physical health, smoking 20 years, 1 pack daily, drinking 10 years, 2 to 5 bottles of beer daily. No special family history. Physical examination: Shen Qing, plain car admission, gauze bandaging the head, normal face, temporary pacemaker into the thyroid without swelling, heart rate 60 beats / min, cardiopulmonary auscultation no abnormalities. Auxiliary examination: hospital routine blood test: white blood cells 10.63 × 109 / L, 70.4% of neutrophils. Calcitonin