前言 1953年Beckman进行了一项G-LOC研究,在这项研究中他报告引起G-LOC所需要的高G脉冲显著地短于1947年Rossen报告的紧急阻止的LOC诱导时间。与在Rossen的研究中一样,Beckman通过阐明在高重力环境中血液是从头部被排放出,而在Rossen的研究中则是被限制,从而对这种差异作出解释。通过结合可作为血流停滞和缺血缺氧证据的S形组织氧耗曲线,一个G-LOC的计算模型能重复 Preface In 1953 Beckman conducted a G-LOC study in which he reported that the high G-pulses required to cause G-LOC were significantly shorter than the emergency-block LOC induction time reported by Rossen in 1947. Like in Rossen’s study, Beckman explains the difference by clarifying that blood is excreted from the head in high-gravity environments and is limited in Rossen’s study. By combining the S-shaped tissue oxygen consumption curve, which is evidence of blood flow arrest and hypoxia and hypoxia, a G-LOC calculation model can be repeated