Fig. 2

Correlations between right ventricular ejection fraction and the main echocardiographic parameters of right ventricular function. RVEF, right ventricular ejection fraction; TAPSE, tricuspid annular plane systolic excursion; S′, peak systolic velocity of pulsed tissue Doppler at tricuspid annulus; RIMP, right ventricular index of myocardial performance; IVA, isovolumic acceleration; EDDr, end-diastolic diameter ratio; RIMP, right ventricular index of myocardial performance; FAC, fractional area change. Symbol represents admission category: solid circles (●) are for acute heart failure and hollow circles (○) for septic shock. Dashed lines represent the regression lines and dotted lines the 95% confident interval of the regression lines. Rho and p value are for Spearman’s correlation