【名词&注释】
临床表现(clinical manifestation)、室间隔缺损(ventricular septal defect)、肺动脉狭窄(pulmonary stenosis)、右心房(right atrium)、右心室肥厚(right ventricular hypertrophy)、肺动脉瓣(pulmonary valve)
[单选题]下列肺动脉瓣(pulmonary valve)狭窄患儿的临床表现,错误的是()
A. 胸骨左缘第2肋间可听到喷射性全收缩期杂音
B. 胸骨左缘第2肋间可触及收缩期震颤
C. X线肺纹理减少
D. 肺动脉瓣(pulmonary valve)第二音增强
E. ECG示右心室肥厚(right ventricular hypertrophy)