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下列不是引起左心衰竭常见原因的是()

单选题
2021-09-13 19:49
A、高血压病
B、慢性肺部疾病
C、心肌梗死
D、主动脉瓣关闭不全
E、二尖瓣关闭不全
查看答案

正确答案
B

试题解析
左心衰竭的常见原因有左心室压力负荷过重如高血压、主动脉瓣狭窄;心室容量负荷过重如主动脉瓣关闭不全、二尖瓣关闭不全;心肌收缩力减低如冠心病等,而慢性肺部疾病主要引起右心室压力负荷增加,导致右心衰竭。

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