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Quiz -Cardiac surgery Quiz -Congenital heart diseases Case 1. Echocardiography (EchoCG) revealed a secondary atrial septal defect (ASD) of 0.79 cm in a newborn infant.Right-to-left shunt.Dilation of right atrium (RA) and right ventricle (RV).Paradoxical movement of interventricular septum (IVST).The left ventricle is compressed by the right ventricle.Common pulmonary venous chamber (CPVC) is visualized (Fig.1), pulmonary artery (PA) trunk dilatation.The shape of the flow in the PA indicates high pulmonary hypertension.CPVC -common pulmonary venous chamber, CScoronary sinus, RA-right atrium Question: What diagnosis would you suggest for this child?a) ASD b) Total anomalous pulmonary veins drainage c) Ebstein's anomaly d) Transposition of the great vessels e) Taussig-Bing's anomaly.(Correct answer -b)Case 2: A 3-month-old child has shortness of breath and perioral cyanosis when restless, decreased appetite, poor weight gain, sweating.The child's condition is relatively satisfactory.The skin is pale.Above the lungs, wheezing.The pulse rate is 140 per minute.The boundaries of the heart are dilated to the left.On auscultation, a systolic murmur is heard, with its epicenter in the IV intercostal space to the left of the sternum, the II tone over the PA is accentuated.