左心室增大时,心尖搏动移位方向是
2023-07-21
A.向右
B.向左
C.向右下
D.向左下
E.向后
参考答案:D
B.向左
C.向右下
D.向左下
E.向后
参考答案:D
左心室增大时,心尖搏动向左下移位,甚至可达腋中线。右心室增大时,心脏呈顺钟向转位,可使心尖搏动向左移位,甚至可稍向上,但不向下移位。全心增大时,心尖搏动向左下移位,并可伴有心界向两侧扩大。先天性右位心者心尖搏动位于右侧与正常心尖搏动相对应的部位。
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