An acquired brain injury (ABI)  is an injury to the brain, which is not hereditary, congenital, degenerative, or induced by birth trauma. An acquired brain injury is an injury to the brain that has occurred after birth.

Weakness, numbness, or other loss of nerve function may indicate that an aneurysm may be causing pressure on adjacent brain tissue. Symptoms such as a severe headache, nausea, vomiting, vision changes or other neurological changes can indicate the aneurysm has ruptured and is bleeding into the brain. A ruptured intracranial aneurysm causes intracranial bleeding and is considered very dangerous.

 

An aneurysm is a sac-like protrusion of an artery caused by a weakened area within the vessel wall. If a cerebral (brain) aneurysm ruptures, the escaping blood within the brain may cause severe neurologic complications or death. A person who has a ruptured cerebral aneurysm may complain of the sudden onset of "the worst headache of my life."

A cerebral aneurysm is a bulge or balloon like dilatation/swelling of the wall of a blood vessel in the brain. It is a weakening in the wallwith a propencity to rupture.

Aneurysms develop because of a weakness in the wall of the vessel, usually at branch points. The cause of most aneurysms is unknown. In a small number of patients, aneurysms are inherited with multiple family members affected. Aneurysms can be grouped into the following categories:

1. Berry or Saccular
2. Dissecting
3. Fusiform

http://www.bafound.org/

http://www.brainaneurysm.com/index.html

 http://www.mamashealth.com/aneurysm.asp

  http://www.brain-aneurysm.com/ 

 

Cerebral Aneurysm

Aneurysms that occur in an artery in the brain are called cerebral aneurysms. They are sometimes called berry aneurysms because they are often the size of a small berry. Most cerebral aneurysms produce no symptoms until they become large, begin to leak blood, or rupture.

The illustration shows a typical location of a cerebral (berry) aneurysm in the arteries supplying blood to the brain. The inset image shows a closeup of the sac-like aneurysm

 

NINDS Cerebral Aneurysm Information Page

http://www.ninds.nih.gov/disorders/cerebral_aneurysm/cerebral_aneurysm.htm

 

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Brain Hernia http://www.nlm.nih.gov/medlineplus/ency/article/001421.htm

Brain hernia is a condition in which a portion of the brain is displaced because of increased pressure inside the skull. Increase in pressure results in progressive damage to brain tissue that may include life-threatening damage to the brainstem

Anoxia or Hypoxia

Anoxia is a condition characterized by an absence of oxygen supply to an organ or a tissue. 

A 6-day-old boy with HIE due to perinatal asphyxia

Encephalitis (pronounced: in-seh-fuh-lye-tus) is an inflammation of the brain. The usual cause is a viral infection, but bacteria can also cause it. Cases can range from mild to severe. For mild cases, you could have flu-like symptoms. Serious cases can cause

• Severe headache
• Sudden fever
• Drowsiness
• Vomiting
• Confusion
• Seizures

For mild cases, you may just need rest, plenty of fluids and a pain reliever. For severe cases, you might need to be hospitalized. Fortunately, encephalitis is uncommon in the United States.

 

http://www.encephalitisglobal.org/Home.asp

 

 

Encephalitis 

http://www.cdc.gov/ncidod/diseases/submenus/sub_encephalitis.htm

 

Arboviral Encephalitides 

http://www.cdc.gov/ncidod/dvbid/arbor/

 

NINDS Encephalitis Lethargica Information Page

http://www.ninds.nih.gov/disorders/encephalitis_lethargica/encephalitis_lethargica.htm

 

NINDS Meningitis and Encephalitis Information Page   http://www.ninds.nih.gov/disorders/encephalitis_meningitis/encephalitis_meningitis.ht

 

St. Louis encephalitis virus 

http://www.cdc.gov/ncidod/dvbid/arbor/sle_qa.htm

 

http://www.idph.state.il.us/envhealth/wnv.htm

 

West Nile virus   http://www.cdc.gov/ncidod/dvbid/westnile/index.htm

 

  

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