What happens when RCA is blocked?
If an artery is substantially blocked, development of collateral circulation (i.e., other smaller vessels) may occur. When this happens, the collateral vessels help to maintain circulation to the area served by the artery in question.
What does the right posterior descending artery do?
The marginal branch of the right coronary artery provides blood supply to the lateral portion of the right ventricle. The posterior descending artery branch supplies blood to the inferior aspect of the heart. The LMCA supplies blood to the left side of the heart.
What artery is the Widowmaker?
A widowmaker is an informal term for a heart attack that involves 100 percent blockage in the left anterior descending (LAD) artery, says Stanley Chetcuti, M.D., an interventional cardiologist at the University of Michigan Frankel Cardiovascular Center.
What is the medical definition of stenosis?
Medical Definition of stenosis : a narrowing or constriction of the diameter of a bodily passage or orifice esophageal stenosis — see aortic stenosis, mitral stenosis, pulmonary stenosis, spinal stenosis, subaortic stenosis
What is relrelief and how does it help spinal stenosis?
Relief is typically found when you bend forward or sit. When spinal stenosis becomes severe, symptoms may become constant and permanent nerve injury may result. Spinal stenosis typically occurs among older adults, and arthritis and injuries can also cause the spinal cord to narrow.
How does stenosis affect the aortic valve?
Stenosis in the Vessels. Like stenosis in the heart, this narrowing in the vessels can affect the aortic valve. It can also affect the carotid artery, coronary artery or various other arteries and veins through the system.
What is the difference between spinal stenosis and multilevel spinal stenosis?
Spinal stenosis Spinal stenosis occurs when the space within the spinal canal or around the nerve roots becomes narrowed. Multilevel spinal stenosis. Multilevel spinal stenosis Spinal stenosis can occur at one level or multiples levels at the same time.