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Atrioventricular canal mimicking tricuspid atresia: echocardiographic and angiographic features
1Department of Paediatrics, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia.
Insights
Common atrioventricular canal can mimic tricuspid atresia on initial assessments. Distinctive cross-sectional echocardiography and cineangiography can differentiate these cardiac conditions.
Area of Science:
- Pediatric Cardiology
- Congenital Heart Disease
- Echocardiography
Background:
- Common atrioventricular canal (CAVC) is a congenital heart defect.
- Tricuspid atresia (TA) is another serious congenital heart defect.
- Distinguishing between CAVC and TA can be challenging.
Abstract:
In a rare case of common atrioventricular canal mimicking tricuspid atresia the clinical, radiographic, electrocardiographic, and M mode echocardiographic features were indistinguishable from those of classic tricuspid atresia. The cross sectional echocardiographic appearance and right atrial cineangiographic features were distinctive, however, and can be used to discriminate between this anomaly and other types of tricuspid atresia.