患者,男,17岁,因反复心前区闷痛1个月,活动后气促1周入院。既往体健,无高血压、糖尿病及血脂异常史,近期无感冒发热史。体检:发育正常,体形中等,入院时血压:110/64 mmHg(1 mm-Hg=0·133 kPa),两上肢血压基本相等,颈部、锁骨下、腹部未闻及血管杂音,两肺呼吸音清晰,未闻及干湿啰 Patients, male, 17 years old, because of repeated precordial District boring pain for 1 month, 1 week after the event admitted to hospital. Past physical health, no high blood pressure, diabetes and dyslipidemia history, recent fever-free history. Physical examination: normal development, medium body shape, blood pressure at admission: 110/64 mmHg (1 mm-Hg = 0.133 kPa), blood pressure in both upper extremities was basically the same, neck, subclavian, abdomen, Clear sound, no smell and wet Hello