患者男，45岁。入院2d前安静平卧时突感心前区压榨样疼痛，向肩背部放射，持续约3h，伴面色苍白，大汗，恶心。既往有风湿性心脏病史10余年，阵发心悸3年，无高血压、糖尿病史。体检：T36.5℃，P88次／min，BP12．0／8．0kPa，神清，精神差，痛苦面容，皮肤苍白，口唇甲床略紫 Male patient, 45 years old. 2d before admission admitted to a quiet supine crush pain in front of the area, to the back of the shoulder radiation, lasted about 3h, with pale, sweating, nausea. Past history of rheumatic heart disease more than 10 years, paroxysmal palpitations 3 years, no history of hypertension, diabetes. Physical examination: T36.5 ℃, P88 times /min, BP12.0/8.0kPa, Shen Qing, poor spirit, painful face, pale skin, lips slightly purple bed