遠心加速度負荷に依る心電圖變化の實驗的研究(第5報) : 第2編各波の變化 II R波の變化

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The changes in R_I-height of guinea pig in each experimental course were investigated. A. Exp. I (Head→Tail×10") The general type of change in R-height in the experiment (3.5, 6, 8g) is the "Enlarged type," and the time indicating the maximal enlargement of R during exposure to the acceleration and the time returning to the original R-height after the cessation of centrifugalization are the same as those of P in the same kind of experiment. (See the report I) Generally the max. enlargement rate (%) is almost similar for all kinds of exposed. B. Exp. II (Tail→Head×10") In most cases the type of change in R-height in the experiment (3.5, 6g) is the "Reduced type," and the times indicating the max. reduction of R, and returning to the original R-height in the experimental course are the same as those of P in the same kind of experiment. In general the max. reduction rate (%) is like in both 3.5g and 6g-experiment. C. Exp. III (to L. & R. along the transverse axis×10") The general type of change in R-height is the "Englarged type" and it's change in experiment (3.5, 6g) is the very same as that seen in Exp. I. Generally the max. enlargement rate (%) is nearly equall in various kinds of this experiment.
社団法人日本循環器学会の論文
1952-04-20