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《Academic Journal of Second Military Medical University》 2010-05
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Comparison of head-chest lead and routine lead electrocardiograms of right bundle branch block

GONG Hong-wu1*,XU Deng-cheng1,MENG Su-rong2,NONG De-bin3 1.Cardiovascular Research Centre,No.452 Hospital of PLA,Chengdu 610021,Sichuan,China 2.Department of Cardiology,Nanfang Hospital,Southern Medical University,Guangzhou 510515,Guangdong,China 3.Research Centre of Cardiac Electricity,Southern Medical University,Guangzhou 510515,Guangdong,China  
Objective To explore the rule of voltage change in the reference point of electrocardiograms (ECG).Methods The r and R' waves on the head-chest lead and routine lead ECGs in 21 patients with right bundle branch block in whole synchronization were compared,and the correlation of voltage change in reference point with the direction of cardiac muscular stimulation of ECGs was analyzed.Results The swing of wave r in head-chest leads was significantly higher than that of routine leads ([0.16 ±0.19]vs [0.11 ±0.13]mV,P 0.01),and the swing of wave R' in head-chest leads was significantly lower than that of the routine leads([0.25 ± 0.21]vs [0.35 ± 0.23]mV,P 0.01).Conclusion Voltage change in reference point of ECG varies with the direction of cardiac muscular stimulation.
【CateGory Index】: R541.7
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