Tricuspid atresia echocardiography

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor-In-Chief: Sara Zand, M.D.[2]Keri Shafer, M.D. [3] Priyamvada Singh, MBBS [4]; Assistant Editor-In-Chief: Kristin Feeney, B.S. [5]

Three-dimensional echocardiography is a modality of choice for assessment of: cardiac output, anatomy of valves, anatomy of the septal structure, chamber sizing and volume, the severity of valvular regurgitation and stenosis, Pericardial effusion.

Echocardiography is the imaging modality of choice for tricuspid atresia. Findings include:^[1]

• Atrial septal defect (ASD)
• Ventricular septum defect (VSD)
• Patent ductus arteriosus (PDA)
• Aortic arch anomaly
• The left ventricle is larger than the right ventricle
• Color flow doppler is absent between the right atrium and right ventricle

Shown below is an echocardiography image demonstrating an atretic tricuspid valve and ventricular septal defect.

Shown below is a short video of an echocardiography of a patient with tricuspid atresia.

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Shown below is a short video of the echocardiography of a 24-year-old patient with tricuspid atresia.

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Shown below is the echocardiography of a 20-day old neonate with tricuspid valve atresia. This congenital anomaly is not compatible with life unless there is a right-to-left shunt. In the case presented below, there is VSD and ASD

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