Which of the following features on X-ray chest can differentiate an Atrial septal Defect (ADH) from a Ventricular Septal Defect (VSD)
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
Enlarged Left Atrium
Pulmonary Plethora
Enlarged pulmonary Aery
Enlarged Aoa