Figure 112c

Ventricular Septal Defect with Resultant Left-to-Right Shunting. When the left ventricle contracts, it ejects some blood into the aorta and some across the ventricular septal defect into the right ventricle and pulmonary artery (arrow).

Reference Brickner, M.E., Hillis, L.D., and Lange, R.A., Medical Progress: Congenital Heart Disease in Adults (first of two parts), The New England Journal of Medicine, p 256-263