患者男,73岁。主因“胸闷、憋气3h”由急诊于2006年4月6日收入我院。既往有“双下肢静脉曲张”、“脑梗死”史。患者入院前3h由蹲位站起后突然出现极度胸闷、喘憋,呼吸急促,濒死感,全身大汗淋漓,面色灰暗,口唇紫绀,意识模糊,无咳嗽、咯血。查体:体温36.0℃,脉搏140次/min,呼吸2 Male patient, 73 years old. The main reason “chest tightness, suffocation 3h” by the emergency department in April 6, 2006 income in our hospital. Past “double varicose veins,” “cerebral infarction” history. 3h before the patient was admitted to the hospital after standing suddenly appeared extreme chest tightness, wheezing, shortness of breath, sense of impending death, sweating body, pale, cyanotic lips, confusion, no cough, hemoptysis. Physical examination: body temperature 36.0 ℃, pulse 140 beats / min, breathing 2