Keywords: Flow, Velocity & Flow, Ventricular interdependenceDiastolic ventricular interdependence occurs in several clinical settings, most notably pericardial effusion and constrictive pericarditis. It is measured using Doppler echocardiography or invasive cardiac catheterization where the respiratory variation in velocity or pressure is measured. In pericardial effusion it is an early sign of hemodynamic significance which is not always correlated to the volume of effusion. In constrictive pericarditis, it is used to separate constrictive and restrictive physiologies. In this study a method to measure diastolic ventricular interdependence by simultaneously quantifying the respiratory variation in mitral and tricuspid early inflow velocities using real time phase contrast CMR is presented.
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