Right ventricular ejection efficiency: a new echocardiographic measure of mechanical performance in chronic pulmonary hypertension.
L?pez-Candales A, Lopez FR, Trivedi S, Elwing J. Right ventricular ejection efficiency: a new echocardiographic measure of mechanical performance in chronic pulmonary hypertension. Echocardiography. 2014 Apr; 31(4):516-23.