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立位加下身负压作为检查心血管调节功能的手段较单纯立位或单纯下身负压试验要好。单纯立位对某些人讲负荷太小,不易显示心血管反应的差异。当人处于平卧位而进行单纯的下身负压试验,则由于颈动脉窦不
Standing plus lower body pressure as a means of checking cardiovascular regulation function is better than a simple stand-alone or lower body negative pressure test. Simply standing on some people say the load is too small, not easy to show the difference in cardiovascular response. When people in the supine position and a simple lower body negative pressure test, then the carotid sinus does not