Aneurysms Overview An aneurysm is a bulge or ballooning in the wall of a blood vessel. An aneurysm can break open. This is called a rupture.

Context Explanation

A ruptured aneurysm causes bleeding inside the body. It often leads to death. Some aneurysms cause no symptoms. You might not know you have an aneurysm even if it is large.

Insight Material

Medical Xpress: Red blood cell rupture, not clotting, drives vessel blockage in COVID-19, study finds Red blood cell rupture, not clotting, drives vessel blockage in COVID-19, study finds