患者,男,17岁。自幼活动后心悸、气喘,5岁左右出现口唇、四肢发绀,并逐年加重,在外院曾诊为“先心病”而住院要求手术治疗。体检:四肢轻度杵状指(趾),口唇甲床发绀。心前区明显隆起,胸骨左缘Ⅱ、Ⅲ肋间可触及抬举样冲击感,叩诊心界向两侧增大,胸骨左缘第二肋间可闻Ⅱ级 Patient, male, 17 years old. Palpitations, asthma after his childhood activities, 5-year-old lips, limbs cyanosis, and increased year by year, outside the hospital has been diagnosed as “congenital heart disease” and hospitalized for surgery. Physical examination: Mild clubbing fingers (toes), cyanotic lips bed. Significant uplift in front of the heart area, left sternal border Ⅱ, Ⅲ can reach the impact of lift-like impact, percussion heart bound to both sides of the enlarged, sternal left intercostal can smell Ⅱ