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Bedside technics for the evaluation of ventricular function in man

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      Abstract

      Characteristic changes in the systolic intervals of the left ventricle have been demonstrated among patients with arteriosclerotic, hypertensive and primary myocardial disease. These consist of a prolongation of the pre-ejection period and an abbreviation in the ejection time, while total electromechanical systole remains unaltered. The changes in the pre-ejection period and the left ventricular ejection time correlate well with the level of cardiac output and stroke volume. The ratio of the pre-ejection period to the left ventricular ejection time (PEP/LVET) lends a convenient expression of these changes in the systolic intervals. The ease with which these measures can be obtained, using a noninvasive technic, suggests their use in the bedside evaluation of cardiac performance in man.
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