颈部搏动在每一心动周期中,颈部动脉管壁的周期性起伏。正常人颈部动脉的搏动在安静时不易见到,剧烈活动时心脏搏出量增加,可见颈动脉微弱搏动。在安静状态下,颈动脉出现明显的搏动,见于主动脉瓣关闭不全、高血压、甲状腺功能亢进症及严重贫血病人。 “颈部搏动”的相关问答: >> ???????
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