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Cyanosis occurs early in the course of chronic bronchitis .

初期慢性支气管炎会出现发绀。

No clubbing , cyanosis , or edema is noted in extremities .

四肢检查无杵状指，无发绀，无水肿。

Cyanosis is the major indication that there is a problem with your newborn .

紫绀是新生儿有问题的主要的迹象。

This leads to rapid exhaustion and may be associated with vomiting , cyanosis , and convulsion .

这导致很快筋疲力尽并可伴随呕吐、紫绀和痉挛。

If a large amount of fluid pressure , lungs , clinically apparent difficulty breathing , appear even orthopnea cyanosis , etc.

若积液量大，肺脏受压明显，临床上呼吸困难重，甚至出现端坐呼吸、发绀等。