Ventricular septal defect chest x ray

and Leida Perez, M.D.

Associate Editor-in-Chief: Keri Shafer, M.D. [mailto:kshafer@bidmc.harvard.edu]

Chest X Ray
Small VSD:

Normal heart size and pulmonary vascularity.

Medium-sized defect (or moderate left-to-right shunt):

a) slight cardiomegaly

b) increased pulmonary vascular markings in both the central and the	peripheral portions of the lung field.

Large VSDs:

a) LVH has regressed in adults, apex is tilted upward reflecting RVH.

b) dilated proximal pulmonary vessels, pruned peripheral vessels