Review Article

The Fetal Heart in Twin-to-Twin Transfusion Syndrome

Figure 1

Common echocardiographic findings in the recipient of TTTS. (a) Reversed flow in the ductus venosus. (b) Umbilical vein pulsations. (c) Transverse view of the fetal chest at the level of the 3-vessel view demonstrating forward flow in the aorta (blue) and reversed flow in the ductus arteriosus and pulmonary artery (red) suggestive of functional pulmonary atresia. (d) Doppler assessment at the level of the fetal 4-chamber view demonstrating mitral and tricuspid regurgitation with the corresponding pulsed Doppler spectrum below.
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