Which of the following features on X-ray chest can differentiate an Atrial septal Defect (ADH) from a Ventricular Septal Defect (VSD)
Enlarged Left Atrium
Pulmonary Plethora
Enlarged pulmonary Aery
Enlarged Aoa
Ans is 'a' i.e., Enlarged Left Atrium o Left atrium is not enlarged in an ASD in contrast to VSD where the left atrium is typically enlarged. Features ASD VSD PDA Chamber RA + RV LA +LV+ RV LV+LA +RV Enlargement (Mild/moderate cardiomegaly) (Gross caiomegaly) Pulmonary Aery Enlarged Enlarged Enalrged Pulmonary Present Present Present Vasculature (Pulmonary Plethora) Aoa Normal (or small) Normal (or small) Enlarged