1　案情介绍死者 ,男 ,年龄 46岁。于 1996年 1月 2 3日上午 11时 30分因生意问题与人发生口角 ,争吵中突然倒地死亡。2　尸检所见2 .1　体表无开放性锐器伤及闭合性挫伤。2 .2　解剖检验　头部 :颅骨无骨折 ,皮下、硬脑膜内外及脑实质表面未见出血及其它异常。胸部 :心包外有 1 case presentation dead, male, age 46 years old. On January 23, 1996, at 11.30 am, a man was involved in a business dispute with another person and died suddenly falling to the ground during an argument. 2 autopsy seen 2 .1 open no sharp surface injuries and closed contusion. 2 .2 anatomical examination of the head: no fracture of the skull, subcutaneous, dura mater inside and outside the surface and no real bleeding and other abnormalities. Chest: outside the pericardium