Evaluation of right ventricular function in fetuses with isolated single umbilical artery using spatiotemporal image correlation M-mode

Measurement of spatiotemporal image correlation (STIC) M-mode fetal tricuspid annular plane systolic excursion (f-TAPSE) vertically, parallel to the interventricular septum. Measurement was performed in post-processing and was taken ‘up-up’ on the M-mode trac