Topics | Heart and Circulatory System | What does the right coronary artery do? The coronary arteries supply blood to the heart muscle itself. The right coronary artery is the major artery that supplies blood to the upper and lower chambers on the right side of the heart. There is also a left coronary artery. Watch this animation to learn more about these arteries.
Definition of impugn. 1  transitive verb. 2  1 : to assail by words or arguments : oppose or attack as false or lacking integrity impugned the defendant's character. 3  2 obsolete a : assailb : resist.
Voiding Cystourethrogram (VCUG). A VCUG, or a voiding cystourethrogram, is a minimally invasive test that uses a special x-ray technology called fluoroscopy to visualize your child's urinary tract and bladder. A VCUG can help: 1  diagnose vesicoureteral reflux-a condition in which urine flows the wrong way, from the bladder back up to the kidneys.