This type is acyanotic, meaning " not-blue" .

种类型是没有紫绀的，也就是远心端皮发。

What we don't have is any deoxygenated blood escaping into the systemic circulation and causing a baby to appear cyanotic, so we call this acyanotic, which means " not blue" .

时有缺氧流入体循环而引起婴儿出现发绀，所以我们称之为发绀，即无青紫。