CASE Fetal echocardiography. Absent color Doppler could be visualized by entering the left ventricle (arrow) through the mitral valve. Right ventricle (RV) with normal filling. Oval foramen with left-right shunt. Ultrasound compatible findings with Hypoplastic left heart syndrome (HLHS)

Detection of Hypoplastic Left Ventricular Syndrome in Second-Trimester Ultrasound Screening images