電位心電圖法並に其の臨床的意義

概要

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The author originated a new method of potential ECG from Prof. Maekawa's orthogonal isosceles triangle coodinates. The electrodes of the right hand (φ_R) and the left foot (φ_F) was connected to one point with two wires which had same value resistance, and this point was used as the indifferent pol. From this coordinates φ_R=1/2LeadII, φ_F=-1/2LeadII ∴φ_C=0 (φ_C is the potential of this point). As the value of the resistance 30〜100 kiloohm were chosen theoretically and experimentally in case of Shimizu's apparatus (a voltage-electrocardiograph), and 10 kiloohm in case of a string-gal-vanometer. This method may be available to diagnosis of myocard through each limb lead point ECG, and to the other analysis of standard ECG by means of this coordinates, and we can catch unipolar lead from the chest or esophagus more theoretically.
社団法人日本循環器学会の論文
1950-06-20