Intracardiac Shunts

Principles of Intracardiac Shunts Significant hypoxemia can result from right-to-left intracardiac shunting through a patent foramen ovale, an atrial septal defect or a ventricular septal defect. Pulmonary embolus, congenital heart disease and pericardial tamponade are well-recognized causes of right-to-left shunting. With the continued presence of a congenital defect of the cardiac septum or great vessels […]