患儿男，１１岁。主诉面部、手、足指（趾）青紫伴活动后乏力，心前区疼痛２年。体检：发育较差，胸骨右缘第３～４肋间右锁骨中线上可闻及３／６级收缩期吹风样杂音，吸气时增强。手足见杵状指（趾）。心电图：心室终末传导延缓。心脏彩超正常。胸部Ｘ线断层：右上肺呈不... Children male, 11 years old. Main facial, hands, fingers (toe) bruising with fatigue after activity, precordial pain for 2 years. Physical examination: poorly developed, right interosseous sternal right intercostal right clavicle can be heard on the line and 3/6 systolic hair-like murmurs, inspiratory increased. Hand and foot see clubbing means (toe). ECG: Ventricular terminal conduction delay. Echocardiography normal. Chest X-ray: right upper lung was not ...