Fig. 12.

Fetal echocardiographic image of four-chamber view demonstrating atrioventricular septal defect (AVSD) Rastelli’s type B- see the superior bridging leaflet of atriventricular valve attached over the ventricular septum by an anomalous papillary muscle of the right ventricle (red arrow). LA, left atrium; LV, left ventricle; RA, right atrium; RV, right ventricle. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)