of a vein
, or the heart
due to the weak
ening of the wall of the vessel
, or birth defect
. Can be caused/aggrivated
by high blood pressure
. Not always fatal
, but nearly always serious
, and when one bursts in the brain
, a stroke
can occur. (When an aneurysm occurs in the brain
and causes a stroke
, it's called a hemorrhagic stroke
They can be detected with an x-ray angiography, MRIs, and/or Computed Tomography. Symptoms of brain aneurysms include blurred vision and headaches, but often there are no symptoms of anything wrong.
These things are treated with surgery, which can include a metal clip attached at the bottom of the bulbous vessel or insertion of microcoils into the aneurysm itself.