Fig. 2From: Evaluation of right ventricular function in fetuses with isolated single umbilical artery using spatiotemporal image correlation M-modeScatterplots, with isolated SUA, of spatiotemporal image correlation (STIC) M-mode fetal tricuspid annular plane systolic excursion (f-TAPSE) against: (Control) estimated f-TAPSE (regression line: 0.2292 × GA − 1.112 R2 = 0.90); and (isolated SUA) estimated f-TAPSE (regression line: 0.1847 × GA − 0.1341 R2 = 0.81)Back to article page