This type is acyanotic, meaning “not-blue”.

这种类型是没有紫，就是远心端皮肤不会发。

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”.

这时不会有缺氧体循环而引起婴儿出现发，所以我们称之为不发，即无青紫。