| Term | Definition |
|---|---|
| Vascular Rings |
A birth defect in which there is an abnormal formation of the aorta and/or its surrounding blood vessels. The trachea and esophagus are completely encircled and sometimes compressed by a 'ring' formed by these vessels, which can lead to breathing and dige |
| Vasculitis |
A group of disorders that destroy blood vessels by inflammation. Both arteries and veins are affected. |
| Ventilator |
A machine designed to mechanically move breatheable air into and out of the lungs, to provide the mechanism of breathing for a patient who is physically unable to breathe, or breathing insufficiently. |
| Ventricular Septal Defectÿ(VSD) |
The pulmonary veins that bring oxygen-rich (red) blood from the lungs back to the heart aren_t connected to the left atrium. Instead, the pulmonary veins drain through abnormal connections to the right atrium. |
