Detection of early myocardial tissue changes in acute canine myocardial infarction by ultrasonic tissue characterization methods.


To determine the time after left anterior descending (LAD) artery occlusion in which myocardial texture changes first occur, two-dimensional echocardiograms on five sham operated dogs and eight dogs before and after proximal LAD occlusion were performed. Serial two-dimensional echocardiograms were performed every 15 mins by placing a 5 MHz transducer… (More)


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