Tissue Doppler Imaging (TDI) is a sensitive index of myocardial function. Its role in the fetus has not been extensively evaluated. To compare myocardial tissue Doppler velocities in fetuses with hypoplastic left heart syndrome (HLHS) to those of normal fetuses (matched for gestational age.) Cross-sectional retrospective study conducted at 2 large perinatal centers (2003-2007). Fetuses with HLHS ...