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. Author manuscript; available in PMC: 2012 Apr 1.
Published in final edited form as: Ultrasound Obstet Gynecol. 2011 Mar 2;37(4):423–431. doi: 10.1002/uog.8840

Figure 8. FAST Echo algorithm applied to a fetus with tricuspid atresia and ventricular septal defect (hypoplastic right ventricle) at 21 weeks of gestation.

Figure 8

The longitudinal view of the ductal arch appears abnormal, and both this view and the three-vessels and trachea view (Line 1) show a small pulmonary artery, consistent with pulmonic stenosis. Placement of Line 2 shows the aorta arising from the left ventricle. The four chamber view is abnormal (Line 3) with a large ventricular septal defect (asterisk), and a hypoplastic right ventricle. AO, aorta; LA, left atrium; LV, left ventricle; PA, pulmonary artery; RV, right ventricle; SVC, superior vena cava.