On Distribution of ST Deviation at 20 Precordial Lead Points as Depicted by Means of Ambulatory Electrocardiogram Mapping

Toshiyuki Goto, Takuya Kawaguchi, Shigetaka Suzuki, Kenichi Doniwa, Mitsuharu Okajima, Yoshiaki Ishiguro

Research output: Contribution to journalArticle

Abstract

Distribution of ST segment deviation over precordial chest surface was coarsely depicted by making use of electrocardiograms from ten or 20 lead points. This was made possible through supplementing a commonly used two channel ambulatory recorder with a specially designed adapter. That is electrocardiographic leads are switched at every twelve seconds by a circit. So that they are recorded on the same channel intermittently. Thus, on using one recorder ST deviation of ten lead points were recorded on using two recorders that of 20 lead points were recorded. Lest being misled by non-pathognomonic ST deviation due to postural changes, paralleled recording of the posture was achieved by means of a posture sensor included in the adapter. By applying this ambulatory mapping electrocardiogram system to one patient witn ischemic cardiac conditions, it was suggested that recording of ST segment from ten or possibly 20 lead points and depicting ST deviation mapping, instead of two or three lead points in customary use, is desirable for detection and making diagnosis of ischemic ST changes on the precordial chest.

Original languageEnglish
Pages (from-to)56-59
Number of pages4
JournalJapanese Journal of Medical Electronics and Biological Engineering
Volume28
Issue number1
DOIs
Publication statusPublished - 01-01-1990

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Electrocardiography
Lead
Sensors

All Science Journal Classification (ASJC) codes

  • Biomedical Engineering

Cite this

Goto, Toshiyuki ; Kawaguchi, Takuya ; Suzuki, Shigetaka ; Doniwa, Kenichi ; Okajima, Mitsuharu ; Ishiguro, Yoshiaki. / On Distribution of ST Deviation at 20 Precordial Lead Points as Depicted by Means of Ambulatory Electrocardiogram Mapping. In: Japanese Journal of Medical Electronics and Biological Engineering. 1990 ; Vol. 28, No. 1. pp. 56-59.
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On Distribution of ST Deviation at 20 Precordial Lead Points as Depicted by Means of Ambulatory Electrocardiogram Mapping. / Goto, Toshiyuki; Kawaguchi, Takuya; Suzuki, Shigetaka; Doniwa, Kenichi; Okajima, Mitsuharu; Ishiguro, Yoshiaki.

In: Japanese Journal of Medical Electronics and Biological Engineering, Vol. 28, No. 1, 01.01.1990, p. 56-59.

Research output: Contribution to journalArticle

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