这些变化对心脏血流量、周围血管阻力和内环境稳态可能产生一定影响,使机体耐力下降。
These changes may have some influences on volume of blood flow of heart, resistance of peripheral blood vessels and stabilization of homeostasis, and the results could decrease stamina of the body.
目的PTT是一项反映周围血管阻力和胸腔内压变化的无创指标,因此和微觉醒相关的血压改变可通过PTT检测。
Objective Pulse transit time (PTT) is a non-invasive index which reflects changes in peripheral vascular resistance and intra-thoracic pressure.
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