HDlive Flow with HDlive Silhouette Feature of Isolated Fetal Pericardial Effusion at 17 Weeks of Gestation

groove) (Fig. 1).Radiant flow revealed no flow inside the cyst (Fig. 2).HDlive Flow and HDlive Silhouette (Voluson E10 BT21, GE Healthcare, Zipf, Austria) clearly depicted a spatial relationship between a tadpole-shaped echo-free space and the fetal heart (Fig. 3).The cyst disappeared at 24 weeks and 5 days of gestation.