Postural Electrocardiographic Changes in Healed Myocardial Infarction
نویسندگان
چکیده
منابع مشابه
Postural electrocardiographic changes in healed myocardial infarction.
An electrocardiographic study of 110 patients with old myocardial infaretion was made. Chan.Ige of posture, by causing rotation of the heart on its axes, frequently altered the evidence of infarction. These changes were most evident in posterior infarction. The "labele(l" area (lid the following with respect to the exploring electrode: (1) disappeared, (2) if absent in the supine posture, the e...
متن کاملPostural Electrocardiographic Changes in Healed Myocardial Infarction By BERNARD
An electrocardiographic study of 110 patients with old myocardial infaretion was made. Chan.Ige of posture, by causing rotation of the heart on its axes, frequently altered the evidence of infarction. These changes were most evident in posterior infarction. The "labele(l" area (lid the following with respect to the exploring electrode: (1) disappeared, (2) if absent in the supine posture, the e...
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Cellular electrophysiological consequences of acute ischemia superimposed on healed myocardial infarction were studied in isolated, coronary-perfused cat left ventricles 2-4 months after ligation of multiple distal tributaries of the left anterior descending and circumflex coronary arteries. Oxygenated Tyrode's solution was perfused through the left anterior descending and circumflex coronary a...
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The maximum amplitude of vector loops formed by summing orthogonally recorded bipolar electrograms has been shown to reflect the direction of activation in cardiac muscle. To investigate whether components of vector loops could provide information about different activation directions in local areas of myocardium, we correlated "instantaneous vectors" with isochronal activation patterns in an i...
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Objectives: The purpose of the present study was to compare artificial neural networks and an experienced electrocardiographer diagnosing healed myocardial infarction from the 12-lead electrocardiogram. Background: Artificial neural networks have proved to be of value in pattern recognition tasks. Studies of their utility in electrocardiographic interpretation have showed performance exceeding ...
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ژورنال
عنوان ژورنال: Circulation
سال: 1951
ISSN: 0009-7322,1524-4539
DOI: 10.1161/01.cir.3.5.752