题目内容
关于心功能分级的描述,错误的是( )
2021-10-14
A.一级可正常行走,快走引起呼吸短促
B.二级时最大代谢当量为3METs
C.三级者稍一走动即出现呼吸短促
D.四级者只可静卧、坐位出现呼吸短促
E.四级时最大代谢当置为1.5METS
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