Why the study?
What is the electrophysiological basis of coronary QS and QR waves in myocardial infarction?
Population
41 animals with coronary artery occlusion and normal hearts
Comparison
Recording of potentials at multiple depths… vs Normal hearts
Design
Preclinical
Authors
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May inform ECG interpretation in experimental MI; leaves open human validation for infarct localization.
What is the electrophysiological basis of coronary QS and QR waves in myocardial infarction?
The study provides electrophysiological evidence that coronary QS and QR waves in myocardial infarction reflect specific transmural distributions of viable and dead tissue.
Prinzmetal et al. (1953) studied this question.
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