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Article
November 1975

Regional Myocardial Infarction at Operation: An Automated System of Identification

Author Affiliations

From the Department of Surgery, Division of Cardiothoracic Surgery, University of Rochester (NY), School of Medicine and Dentistry.

Arch Surg. 1975;110(11):1416-1418. doi:10.1001/archsurg.1975.01360170156024
Abstract

• The difference between normal and infarcted myocardium at operation cannot always be detected by inspection or palpation. Infarcted myocardium may be identified by a decrease in the amplitude of the ventricular bipolar electrogram. Although this method is reliable and reproducible, it requires a second observer's visual analysis and interpretation of the electrogram signal. This method is therefore subject to the vagaries of human observation, analysis, and accounts of rapidly changing data. We have designed and built an automated instrument to simplify the recognition of transmural infarction.

(Arch Surg 110:1416-1418, 1975)

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