This study was conducted to investigate the effects of a preload increase on ventricular filling dynamics in 50 coronary artery disease patients both before and immediately after leg elevation. Mitral and tricuspid peak E and A velocities and the mitral E/A velocity ratio increased after leg elevation whereas isovolumic relaxation time and mitral deceleration time decreased. The increase in tricuspid peak A velocity after leg elevation was related to the positivity of the exercise stress test (p = 0.01). The increase in mitral peak A velocity was related to the history of old myocardial infarction (p = 0.006).
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