![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[多选题]
动脉导管未闭患者在什么情况下发展为差异性发绀()
A.当病情发展为严重肺动脉高压
B.出现右向左分流
C.下半身发绀
D.杵状指
![](https://static.youtibao.com/asksite/comm/h5/images/m_q_a.png)
ABCD
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.当病情发展为严重肺动脉高压
B.出现右向左分流
C.下半身发绀
D.杵状指
ABCD
A.消瘦
B.心前区隆起
C.舞蹈征
D.差异性发绀
E.胸廓畸形
A.54mmHg
B.64mmHg
C.74mmHg
D.84mmHg
E.94mmHg
有关动脉导管未闭杂音的叙述,错误的是()A.杂音在胸骨右缘第2肋间最明显B.舒张期末杂音减弱_C.收缩期杂音逐渐增强D.为连续性杂音E.杂音响亮而粗糙