36岁,男性,吸毒者,胸骨下方痛,放射至左上肢。既往身体健康,无心脏病史,每天吸烟两包,有时吸食可卡因。入院前24h还吸食可卡因1次,无糖尿病、高血压或家族冠心病史。体检:生命征,体温37℃;脉搏100次/min,血压150/90mm Hg。因胸痛不安烦燥,鼻黏膜炎症,胸部清晰,心脏无杂音。实验 36 years old, male, drug addict, sore under the breast, radiating to the left upper extremity. Previously healthy, no history of heart disease, two packets of cigarettes per day, sometimes taking cocaine. 24h before admission, smoking cocaine 1 times, no history of diabetes, hypertension or family history of coronary heart disease. Physical examination: vital signs, body temperature 37 ℃; pulse 100 beats / min, blood pressure 150 / 90mm Hg. Due to chest pain uneasy irritable, nasal inflammation, clear chest, heart no noise. experiment