Font Size
A
A
A

Definition of Brain aneurysm

Brain aneurysm: An aneurysm of a blood vessel in the brain, usually due to a defect in the vessel at birth or from high blood pressure. Rupture of the aneurysm causes a sudden severe headache, often with nausea, vomiting, decreased consciousness, and can be life threatening.

Source: MedTerms™ Medical Dictionary
http://www.medicinenet.com/script/main/art.asp?articlekey=6116
Last Editorial Review: 3/30/2012

Medical Dictionary Definitions A - Z

Search Medical Dictionary



NIH talks about Ebola on WebMD


Medical Dictionary