valve disease

剑桥词典

a condition in which one of the heart valves (= flaps that control the flow of blood ) does not open or close properly , causing extra strain on the heart
心脏瓣膜病
Heart valve disease may be due to heart abnormalities at birth , infection , or degeneration with age . 心脏瓣膜病可能是因为出生时即有的异常、感染或是因衰老导致的功能减退造成。 返回 valve disease