Brain aneurysm
A brain aneurysm is a protrusion or bulging around the weak section of a blood vessel within or around the brain. The persistent blood flow pressure pushes outwards on the more vulnerable part, resulting in a blister-like protrusion.
The aneurysm tends to extend out even further when blood flows into the bulge. It's comparable to how or when a balloon fills with air; it becomes thinner and is likely to explode. When an aneurysm ruptures (bursts open) or leaks, it results in brain hemorrhage. It can sometimes result in a hemorrhagic stroke. This is when blood clots in or around the brain, causing brain damage and even death.
The majority of brain aneurysms, on the other hand, do not burst, cause medical problems, or trigger symptoms. Aneurysms of this type are frequently discovered during examinations for other disorders.