The Differential Diagnosis of Congenital Heart Disease

The majority of congenital heart disease that we see are more straightforward things like atrial septal defects ventricular septal defect. VSDs are a perfect example of something that can evade detection in the first several days of life. If your pulmonary vascular resistance is still relatively high, you won't be shunting a lot of blood and so you're not going to be able to hear that characteristic of the murmur of the VSD. And then when you come back to the left side of the heart, you kind of say let's look it's a little bit easier to go across that VSD and back out to the lungs.