ABC | Volume 112, Nº5, May 2019

Clinicoradiological Correlation Atik et al Type IIB tricuspid atresia, in natural evolution, at 21 years of age Arq Bras Cardiol. 2019; 112(5):592-593 Figure 1 – Chest x-ray highlights the marked increase of the cardiac area (CTI = 0.69) with increased pulmonary vascular network in the hila. Electrocardiogram shows left-chamber overload. Figure 2 – Echocardiogram highlights the marked increase in left heart cavities with right atrioventricular valve atresia and very hypoplastic right ventricle in subcostal view in A; marked mitral regurgitation in B; the large interatrial septal defect (arrow) in subcostal view in C; and the long-axis view image in D showing the interventricular septal defect (arrow) and the pulmonary valve-LV connection, characterizing type IIB tricuspid atresia. RA: right atrium; LA: left atrium; PT: pulmonary trunk; RV: right ventricle; LV: left ventricle. 1. Schmaltz AA, Hinkeldey K, Hoffmeister HE, Apitz J. Prognosis of children with congenital tricuspid and pulmonary atresia 1967-83 in comparison with the natural course. Monatsschr Kinderheilkd. 1985;133(10):743-8. Reference This is an open-access article distributed under the terms of the Creative Commons Attribution License 593