RCCS Practice Questions - Registered Congenital Cardiac Sonographer Exam

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During cardiac embryogenesis, the primary heart tube undergoes 'D-looping' (rightward looping) in the normal heart. What is the developmental consequence if 'L-looping' occurs instead?

Atrial situs inversus with normal ventricles Ventricular inversion (the morphologic right ventricle ends up on the left) Persistent truncus arteriosus Total anomalous pulmonary venous return

Correct Answer:

Ventricular inversion (the morphologic right ventricle ends up on the left)

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