Characteristic findings of body surface potential map during ventricular repolarization in patients with coronary heart disease

Yung Zu Tseng, Kwan Lih Hsu, Fu Tien Chiang, Huey Ming Lo, Juey Jen Hwang, Ling Ping Lai, Jiunn Lee Lin, Chuen Den Tseng

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The objective of the present study was to investigate the characteristics of body surface potential map (BSPM) findings during ventricular repolarization in patients with coronary artery disease (CAD). A total of 108 consecutive patients, 99 men and 9 women with angina pectoris and positive treadmill exercise test results as well as angiographically documented CAD underwent BSPM study in a fasting state. Their ages ranged from 30 to 70 years. There were 13 patients with right coronary artery (RCA) lesions, 37 with left anterior descending artery (LAD) lesions, 5 with left circumflex artery (LCX) lesions, 17 with both RCA and LAD lesions, 12 with both LCX and LAD lesions, and 24 with 3-vessel disease. The BSPMs were obtained by using the heart potential map system designed by Toyama et al. There were 59 lead points on the anterior chest wall and 28 on the back. The BSPMs in isopotential distribution were made every one msec throughout the ventricular activation period. The distribution of positive and negative potentials, potential maximum and potential minimum, polarity of potential distribution, and the reversal of potential distribution during ventricular repolarization were analyzed. The following information on BSPMs was obtained: (1) In early ventricular repolarization, the negative potential and the potential minimum appeared abnormally on the anterior thorax. The potential abnormality displayed on the right portion or the inferior portion in patients with RCA lesions, on the middle portion or the left portion in patients with LAD lesions, and on the left-superior portion or the left-middle portion in patients with LCS lesions. In patients with multi-vessel disease, the abnormal potential distribution showed a combined pattern of individual vessel lesions. (2) In some cases, the multipolar potential distribution appeared abnormally during the initial stage and the peak of the T wave. (3) The reversal of potential distribution was observed in about half of the patients. The characteristic findings of the BSPM during ventricular repolarization, including abnormal potential distribution, multipolar potential distribution and reversal of potential distribution, will be of clinical value in patients with CAD.

Original languageEnglish
Pages (from-to)391-404
Number of pages14
JournalJapanese Heart Journal
Volume40
Issue number4
DOIs
Publication statusPublished - Jan 1 1999
Externally publishedYes

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Coronary Disease
Arteries
Coronary Artery Disease
Coronary Vessels
Patient Rights
Exercise Test
Angina Pectoris
Thoracic Wall
Fasting
Thorax

Keywords

  • Body surface potential map
  • Multi-polar potential distribution
  • Negative potential
  • Potential minimum
  • Reversal potential distribution

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

Tseng, Y. Z., Hsu, K. L., Chiang, F. T., Lo, H. M., Hwang, J. J., Lai, L. P., ... Tseng, C. D. (1999). Characteristic findings of body surface potential map during ventricular repolarization in patients with coronary heart disease. Japanese Heart Journal, 40(4), 391-404. https://doi.org/10.1536/jhj.40.391

Characteristic findings of body surface potential map during ventricular repolarization in patients with coronary heart disease. / Tseng, Yung Zu; Hsu, Kwan Lih; Chiang, Fu Tien; Lo, Huey Ming; Hwang, Juey Jen; Lai, Ling Ping; Lin, Jiunn Lee; Tseng, Chuen Den.

In: Japanese Heart Journal, Vol. 40, No. 4, 01.01.1999, p. 391-404.

Research output: Contribution to journalArticle

Tseng, Yung Zu ; Hsu, Kwan Lih ; Chiang, Fu Tien ; Lo, Huey Ming ; Hwang, Juey Jen ; Lai, Ling Ping ; Lin, Jiunn Lee ; Tseng, Chuen Den. / Characteristic findings of body surface potential map during ventricular repolarization in patients with coronary heart disease. In: Japanese Heart Journal. 1999 ; Vol. 40, No. 4. pp. 391-404.
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