[Fatal ventricular arrhythmia in dynamic electrocardiography].
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Biomedical subjects
Publications and source records attributed to T Kh Areshidze.
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The lengthening of the electric ventricular systole in relation to electromechanical systole in acute myocardial infarction is shown to be significant for long-term postinfarction prognosis of sudden death. The use of electromechanical systole as a reference for electrical systole appears to be a more sensitive predictive index, as compared to the electrical systole duration with a correction for heart rate.
Treadmill tests were performed in one hundred men below 60, with computerized assessment of their ECG data. Reduced R wave amplitude from lead V5 at maximum exercise was only noted in subjects showing no electrocardiographic evidence of ischemia. Increased R wave from lead V5 was regarded as cardiac dysfunction in response to exercise, which, in the presence of ischemic ECG changes, preceded the development of pathologic ST depression. A negative T wave from leads III and aVF on resting ECG did not correlate with abnormal exercise test results. Ventricular arrhythmias were more common in subjects with non-ischemic ECG changes during exercise.
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The efficiency of variant regimens of lidocaine management of acute myocardial infarction is compared. The need for continuous infusion of the drug throughout the first day of the attack at the rate of 1 mg per minute, and the reduction in the maximum heart rate as well as the incidence, rate and duration of the ventricular tachycardia runs are demonstrated.