On distribution of ST deviation at 20 precordial lead points as depicted by means of ambulatory electrocardiogram mapping.

概要

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Distribution of segment deviation over precordial chest surface was coarsely depicted by making use of electrocardiogram 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 electrocardiographic leads are switched at every twelve seconds by a circit. So that that they are recorded on the same 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 posture sensor included is the adapter. By applying this ambulatory mapping electrocardiogram system to one patient with ischemic cardiac conditions, it was suggested that recording of ST segment from ten or possibly 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.
一般社団法人日本生体医工学会の論文