An aneurysm is when a blood vessel inside the brain or heart becomes increased in size or takes on a balloon like appearance.
It can be caused by a weakening of the wall of the blood vessels involved.
The cause of the weakening of the wall can be induced by diseases or hereditary components.
They are more often seen in Arteries than Veins.
Two primary locations:
1.)  Aorta  - Heart
2.)  Circle of Willis  - Brain
-Â other locations include popliteal in venous system as well as other sites.
When the size of the aneurysm increases, so does the risk for a rupture.
Compilations of a possible rupture include:
-Â Â Severe hemorrhage
-Â Â Blood loss
-Â Â Loss of brain function
-Â Â Coma
-Â Â Death
Symptoms:
-Â Â Â Headache
-Â Â Â Blurry vision
-Â Â Â Confusion
-Â Â Â Dizziness
-Â Â Â Nausea
-Â Â Â Vomiting
-Â Â Â Chest pain
-Â Â Â Chest discomfort
-Â Â Â Â Difficulty breathing
-Â Â Â Fainting
Risk Factors include:
Diabetes
Obesity
High blood pressure
Family history
Smoking
Alcohol
Copper deficiency
Causes:
-Â Â Â Â Â Weakness in wall due to unknown reason
-Â Â Â Â Â Weakness due to atherosclerosis
-Â Â Â Â Â Syphilis
-Â Â Â Â Â Trauma
CT exam can help evaluate and locate ruptured cerebral aneurysms
-Â Â Â Subarachnoid Hemorrhage is often seen
Lumbar puncture can be helpful to find blood in cerebrospinal fluid.
Treatment:
Watch and wait
Surgery
Endovascular coiling – placement into artery of a stent like coils.
– often used for the brain
Angioplasty with stent placement
– often used for the heart
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