Journal of Okayama Medical Association
Published by Okayama Medical Association

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Full-text articles are available 3 years after publication.

右脚ブロックの体表面心臓電位図(特に心房中隔欠損症を中心として)―超音波検査,右心カテーテル検査との対比―

Yoshida, Hidenori
Ihoriya, Kazuo
Nagahana, Haruki
Nishihara, Masanobu
Hyodo, Tatsuo
Uchida, Toshiaki
Kimura, Masashi
Takeda, Kou
Fujii, Akinobu
Saito, Daiji
Tanatani, Setsuro
Kita, Toshimasa
Haraoka, Shoichi
Thumnail 93_579.pdf 4.2 MB
Abstract
A body surface isopotential map was recorded in 30 cases of ASD and 3 cases of ECD with right bundle branch block in ECG, then analyzed in comparison with results obtained by cardiac catetherization and two dimensional echocardiograms. 1) In all cases of right bundle branch block, breakthrough minimum appeared later and shifted to the left compared with the normal. 2) Breakthrough minimum of ASD and ECD appeared progressively later associated with Qp/Qs ratio and left to right intracardiac shunt ratio obtained with cardiac catetherization and RVDd with echocardiogram. Breakthrough minimum of ASD and ECD moved to the left accompanied by increases in mean RV pressure, mean PA pressure and RVDd. 3) R'max voltage, the maximum positive potential in the late stage of ventricular depolarization on the right precordial area, increased and correlated well with the mean RV pressure and left to right shunt ratio increment. 4) In the case of ASD, breakthrough minimum appeared later and shifted to the left along with age.
Keywords
体表面心臓電位図
右脚ブロック
心房中隔欠損
Breakthrough
ISSN
0030-1558
NCID
AN00032489