循環器集團檢診について(第1報) : 集團檢診の方法, 特に心電圖によるScreening Testについて

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In this study, the significance of mass survey for cardiovascular diseases was emphasized, and a tentative method for it was proposed. Discussion were made especially on the screening technique by 3-lead system electrocardiogram (Leads_aVF, V_1 and V_5).1) The tentative method of the authors for the cardiovascular mass survey consisted of two procedures. The first procedure was the screening test for all material ; it included the taking of personal and past history, and the examination of blood pressure, cardiac sound, chest X-ray minifilm and the 3-lead system electrocardiogram. The second procedure, which was carried out on the materials screened by the first procedure, included the investigation of personal and past history and subjective symptoms in detail, and re-examination of blood pressure, conventional 12-lead electrocardiogram, Master's two step test, ballistocardiogram, chest X-ray film, examination of the eye ground, kidney function test and so on.2) It was discussed whether or not the abnormality in electrocardiogram could be screened by the 3-lead system (Leads_aVF, V_1 and V_5). According to the reconstruction method of electrocardiogram by Toyoshima, the solid angle of areas on the epicardium was measured, and the potentials of nine lead points (conventional six precordial lead points and other three lead points which corresponded to those of Leads _aVR, _aVL and _aVF) were calculated. Therefore it was proved that all areas on the epicardium other than some parts of the lateral and posterior basal region could be reflected by one or more of Leads _aVF, V_1 and V_5. And the survey was made on electrocardiograms of two hundred out-patients, one hundred healthy materials and forty two patients with old myocardial infarction, by the aid of 3-lead system and conventional 12-lead system. 3-lead system did not exclude almostly any abnormal cases, even with small anterior infarction or high lateral infraction.The authors would stress that any abnormal cases could hardly escape detection by this 3-lead system screening.
社団法人日本循環器学会の論文
1958-03-20

循環器集團檢診について(第1報) : 集團檢診の方法, 特に心電圖によるScreening Testについて

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