adj.发绀的，青紫的

The patient presented with central cyanosis and clubbing, indicating possible congenital heart disease.
病人表现出中心性紫绀和杵状指，提示可能存在先天性心脏病。
Cyanotic breath-holding spells can be a frightening experience for both the child and the parent.
青紫型屏气发作对孩子和父母来说都是一种令人恐惧的经历。
The baby was born with severe cyanosis due to an abnormality in the pulmonary circulation.
这个婴儿由于肺循环异常出生时就有严重的紫绀现象。
Cyanotic heart disease is a group of congenital heart defects that result in decreased oxygenation of the blood.
青紫型心脏病是一类导致血液氧合减少的先天性心脏缺陷。
In high altitude environments, individuals may develop mild cyanosis due to reduced atmospheric pressure.
在高海拔环境中，由于大气压力降低，个体可能会出现轻度紫绀。
The patient's lips and nails were cyanotic, suggesting a critical lack of oxygen in the body.
病人的嘴唇和指甲呈现青紫色，表明体内严重缺氧。
Acute respiratory distress syndrome can lead to rapid onset of cyanosis as a result of inadequate oxygenation.
急性呼吸窘迫综合征可因氧合不足导致快速出现紫绀症状。
Chronic obstructive pulmonary disease (COPD) patients may exhibit cyanosis during exacerbations.
慢性阻塞性肺疾病（COPD）患者在病情加重期间可能会出现紫绀。
A thorough examination revealed that the patient's cyanosis was caused by a right-to-left shunt.
详细检查显示，患者的紫绀是由右向左分流引起的。
Carbon monoxide poisoning can lead to cyanosis due to its ability to displace oxygen from hemoglobin.
一氧化碳中毒因其能取代血红蛋白中的氧气而可能导致紫绀。