患者男，22岁。战士。被爆破的弹片击中左侧颈部和面部，半小时后送卫生所处理颈部伤口，当镊子进人伤口1．scm深处时，触到有金属样异物，在试图钳夹取出时，伤D突然涌出大量暗红色血液，再找此异物时已触不到，遂压迫包扎暂送上级医院。于伤后12h感胸闷、气短、咳嗽，并痰中 Male patient, 22 years old. warrior. Blasting shrapnel hit the left neck and face, half an hour later sent to the clinic to deal with the neck wound, when the tweezers into the wound 1. Scm deep, touch a metal-like foreign body, trying to remove the clamp, the wound D suddenly poured a large number of dark red blood, and then find this foreign body has been touched, then oppression bandaged temporarily to the higher hospital. 12h after injury chest tightness, shortness of breath, cough, and sputum