Ebstein's anomaly of the tricuspid valve CT and MRI

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] and Claudia P. Hochberg, M.D. [2]

Associate Editor-In-Chief: Cafer Zorkun, M.D., Ph.D. [3]

Inferior displacement of tricuspid valve leaflets with enlargement of the right atrium and enlargement and dysfunction of the right ventricle.

a) RA pressure usually not increased due to the fact that the RA is enlarged and compliant.

b) Normal RV pressures unless significant TR is present.

c) PA pressures are normal or slightly decreased due to TR and a large right-to-left shunt.

d) An ASD may be present

References

v t e Congenital malformations and deformations of circulatory system (Q20-Q28, 745-747)
Cardiac chambers and connections	Persistent truncus arteriosus - Double outlet right ventricle (Taussig-Bing syndrome) - Transposition of the great vessels (dextro, levo)
Cardiac septa	Ventricular septal defect - Atrial septal defect (Lutembacher's syndrome) - Atrioventricular septal defect (Ostium primum) - Tetralogy of Fallot - Eisenmenger's syndrome
Right: pulmonary and tricuspid valves	pulmonary valves (stenosis, insufficiency) - tricuspid valves (stenosis, atresia) - Ebstein's anomaly
Left: aortic and mitral valves	aortic valves (stenosis, insufficiency, bicuspid) - mitral valves (stenosis, regurgitation) - Hypoplastic left heart syndrome
Other congenital malformations of heart	Dextrocardia - Levocardia - Cor triatriatum
Great arteries	aorta (Patent ductus arteriosus, Aortic coarctation, Interrupted aortic arch, Overriding aorta, Aneurysm of sinus of Valsalva, Vascular ring) - Pulmonary atresia
Great veins	Persistent left superior vena cava - Total anomalous pulmonary venous connection - Scimitar syndrome
Other	Arteriovenous malformation (Cerebral arteriovenous malformation)
See also non-congenital conditions (I, 390-459)