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- A relatively large aortopulmonary window is seen connecting the ascending aorta (about 1.5 cm distal to the aortic annulus) & the main pulmonary artery. The aorta is seen arising from the left ventricle and the ascending aorta ends by giving three orderly branches (the left subclavian, the left common carotid and brachiocephalic arteries).
- Interrupted aortic arch is seen with a large PDA arising from the anterosuperior aspect of the distal main pulmonary artery and continues as the descending aorta in the left paravetebral gutter. No evident abdominal coarctation.
Antegrade continuity between the right ventricle and the main pulmonary artery. Confluent dilated main pulmonary artery and its branches.
- Situs solitus, with the cardiac apex to the left.
- Mild cardiomegaly is noted with mild left ventricular dilatation.
- Atrio-ventricular concordance and ventriculo-atrial concordance.
Intact interatrial septum (IAS) & interventricular septum (IVS).
- Normal origin and distribution of the coronaries.
- Increased pulmonary vascularity. No evidence of anomalous pulmonary venous drainage.