胸壁單極誘導心電圖に於ける移行帯(Transitional zone)の研究(第1報) : 前編

概要

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In first part, to study the problems of the transitional zone, which remains unsettled in unipolar precordial electrocardiograms,the experiment was performed primarily to extend over all parts of the course of this zone in eleven normal human bodies. Moreover the effect upon this zone by changing from the supine to the right or the left lateral and the sitting posture was examined as well. The appearance of the transitional zone was almost alike in all cases; that is, this zone appeared from the left lateral chest wall to the right hypochondrial region. The width of this zone was multifarious, occasionally there were cases in which this zone branched off from its course. In accordance with the direction of the course of this zone, it resulted to have a doubt regarding the correlation between the transitional zone and the ventricular septum, which many authors have acknowledged it. And then the effect upon this zone of the alterations of posture was most remarkable when the subject turned into the left lateral posture, and the change occurring when the subject turned into the sitting posture was almost uniform; but as the subject turned into the right lateral posture, that change was unfixed.
社団法人日本循環器学会の論文
1953-04-20