患者,男,20岁。主诉剧烈胸痛反复发作15h急诊入院。胸痛局限于心前区,反复发作,每次历时5～10min,届时疼痛难忍,冷汗淋漓,呻吟不已,并向左肩、左前臂放射。曾呕吐1次,为胃内容物。无畏寒、发热,发病前无咳嗽、腹泻。既往无高血压及糖尿病史。体检:BP120/70mmHg(1mmHg=0.133kPa) Patient, male, 20 years old. The main complaint of recurrent chest pain recurrent 15h emergency admission. Chest pain confined to the precordial area, repeated attacks, each lasted 5 ~ 10min, then pain unbearable, sweating dripping, moan, and to the left shoulder, left forearm radiation. Vomit once, stomach contents. No chills, fever, no cough before onset, diarrhea. No previous history of hypertension and diabetes. Physical examination: BP120 / 70 mmHg (1 mmHg = 0.133 kPa)