This situation is actually sometimes called differential cyanosis, since only the lower body is cyanotic.

这种情况实际上称为差异性发绀，因为只有下半身发绀。

Her face turned a shade of violet that reminded me, unpleasantly, of cyanosis.

她的脸变成了紫罗兰色， 这让我不愉快地想起了紫绀。

This may result in a bluish skin color known as cyanosis.

这会造成皮肤青紫，又称紫绀。

Patients can present with cyanosis, specifically it can appear as bluish skin in certain areas like around the lips or the fingertips.

患者可出现发绀，更确切地说，会表现为特定部位的皮肤呈现青紫色，比如唇周或指端。

These episodes are characterized by shortness of breath, increased cyanosis, loss of consciousness and may result in hypoxic brain injury and death.

缺氧发作会出现呼吸短促，紫绀加重，意识丧失，可导致缺氧性脑损伤和死亡。

This results in cyanosis in the lower extremities, a blue or purple discoloration of the skin; that's the result of deoxygenated blood mixing with oxygenated blood.

这会导致下肢的发绀，即皮肤变蓝或青紫，是由缺氧血和氧合血混合造成的。

When deoxygenated blood mixes into the systemic circulation, it'll often present as cyanosis, a bluish-purple discoloration of the skin, which can be seen in a baby within the first days after birth.

当无氧血混入体循环，会表现为发绀，一种皮肤变为青紫色的症状，在出生后几天便可发现。

Coarctation of the aorta and a bicuspid aortic valve can cause lower extremity cyanosis, meaning a bluish or purplish discoloration of the lower limbs, and can result in congestive heart failure.

主动脉缩窄和二叶式主动脉瓣畸形会导致下肢紫绀，意味着下肢呈青紫色，并可导致充血性心力衰竭。

The increased CO2 levels in the blood can get so bad that some people develop cyanosis, which is a blue discoloration of the skin, and this is why patients with chronic bronchitis are sometimes referred to as blue bloaters.

血中二氧化碳含量升高可能引起发绀，即患者的皮肤会变蓝，这就是为什么慢支患者又被比做蓝鲱鱼。