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脑卒中患者吸气压力负荷与呼吸肌活动之谜:50% MIP 为何如此关键?
可问题是,更高的 MIP 并不一定就能让膈肌更有效地收缩。研究发现,当吸气压力超过 60% MIP 时,胸锁乳突肌(Sternocleidomastoid,简称 SCM)的活动会大幅增加。这可不是什么好事,因为辅助呼吸肌过度活动意味着呼吸的工作量增加,可能会导致患者疲劳,运动能力 ...
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