Left cardiac border bulge can be seen in all, except –: (A) Enlarged azygous vein, (B) Left appendicular overgrowth, (C) Coronary artery aneurysm, (D) Pericardial defect
Answer is A. Left cardiac border is slightly concave. Bulging (convexity) of left heart border is produced by : (1) Left atrial appendage enlargement; (2) Left ventricular enlargement; (3) Right ventricular enlargement; (4) Left anterior descending coronary artery aneurysm; (5) Left sided pericardial defect.