【名词&注释】
肺动脉高压(pulmonary hypertension)、室间隔缺损(ventricular septal defect)、主动脉瓣狭窄(aortic stenosis)、二尖瓣狭窄(mitral stenosis)、左侧卧位(lateral recumbent position)、右侧卧位(right lateral position)、正常青年人(healthy young people)
[多选题]胸骨左缘第2肋间收缩期搏动,可见于()
A. A.少数正常青年人(healthy young people)体力活动时
B. B.肺动脉扩张
C. C.肺动脉高压
D. D.二尖瓣狭窄
E. E.动脉导管未闭