A coronary artery dissection is a serious heart condition that requires emergency treatment. This condition happens when one of the arteries in the heart develops a tear in its inner lining — one of ...

The aorta is a main artery that carries blood away from your heart to the rest of the body. The blood it carries is rich in oxygen, and your body relies on it for survival. The aorta is about an inch ...

Thoracic aortic dissection occurs when the intima of the aorta becomes compromised and “tears” or “dissects” a new layer that fills with blood between the intima and the media. This “false lumen” can ...

The job of your coronary artery-- one of the main blood vessels in your heart-- is to bring blood that's rich in oxygen to your heart muscle. In very rare cases, the insides of this blood vessel can ...