问题 问答题 简答题

何谓毛细血管搏动征?主要见于哪些疾病?

答案

参考答案:

在某些病理情况下,如脉压增大时,则可出现毛细血管搏动。手指轻压被检者指甲末端或以玻片轻压患者口唇黏膜,使局部发白,当心脏收缩和舒张时则在发白的局部边缘发生有规律的红、白交替改变即为毛细血管搏动征。主要见于主动脉瓣关闭不全、动脉导管未闭、甲状腺功能亢进、严重贫血等。

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