Journal of Okayama Medical Association
Published by Okayama Medical Association

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Full-text articles are available 3 years after publication.

ベクトル心電図(Frank法)の胸部誘導子(I,E,C,A,M)の位置に関する研究

原岡 昭一 岡山大学医学部第一内科教室
中川 雅博 岡山大学医学部第一内科教室
斉藤 大治 岡山大学医学部第一内科教室
宮阪 実 岡山大学医学部第一内科教室
川崎 智子 岡山大学医学部第一内科教室
生長 豊健 岡山大学医学部第一内科教室
吉岡 信彦 岡山大学医学部第一内科教室
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抄録
The transverse level of electrodes, A, C, E, I and M in Frank system vectorcardiography is important, since it affects the accuracy of the vectorcardiogram. 1. Using a Japanese male torso mode, the effects of shift in electrode position from the fifth to the fourth intercostal space level on lead vector were studied, and results were as follows. The magnitude of elad vector decreased in lead Z and increased in lead Y with moving all electrodes downward from the level of artificial dipole. 2. The transverse level of the center of heart vector was determined in healthy Japanese males in supine position using three-step technique. Following results were obtained. The level was upper than the fifth intercostal space, and in association with an increase in cardio-thoracic ratio, it shifted upward from the fifth intercostal space.
ISSN
0030-1558
NCID
AN00032489