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Abstract INTRODUCTION Abnormalities of the left ventricular diastolic function are common in a variety of disease states and have recently been recognised as a cause of symptoms in some patients even in the presence of normal systolic function (Soufer et al., 1985). For the most clinical situations, the LV ejection fraction provides a simple easily interpreted and generally reliable measure of LV systolic function. In contrast a simple single measure of LV diastolic function has been derived from invasive and more recently non invasive tests. These indices quantitate aspects of the rate of LV relaxation, the passive properties of the LV and the pattern of LV filling. Knowledge of how heart fills is necessary in order to understand the clinical significance of LV diastolic performance and properly interpret and apply these diagnostic measures. (Santamore et al., 1986). Doppler Echocardiography 1s a non invasive and easily performed technique that provides important information about the diastolic function of the LV by analysis the transmitral doppler flow. Radionuclide angiography is another recent non invasive technique that has been advocated to evaluate the LV diastolic function by using time activity curve. 1 |