Arteriovenous malformation or AVM is an abnormal connection between veins and arteries, usually congenital.

Roughly 88 % of people affected with AVM are asymptomatic ; often the malformation is discovered as part of an autopsy or during treatment of an unrelated disorder ( called in medicine " an incidental finding "); in rare cases its expansion or a micro-bleed from an AVM in the brain can cause epilepsy, deficit or pain.

If a cerebral AVM is detected before a stroke occurs, usually the arteries feeding blood into the nidus can be closed off to avert the danger.

A cerebral arteriovenous malformation ( AVM ) is an abnormal connection between the arteries and veins in the brain.

Nevertheless in more than half of patients with AVM, hemorrhage is the first symptom.

An AVM diagnosis is established by neuroimaging studies after a complete neurological and physical examination.

* arteriovenous malformation ( AVM ) is a treatable medical condition that can cause seizures, headaches, and brain hemorrhages.

* ActionScript executes in the ActionScript Virtual Machine ( AVM ), which is part of Flash Player and AIR.

The other version is that when young boy Kamal Haasan accompanied a family doctor of Meyyappa Chettiar to his house, producer AVM Saravanan noticed Kamal as a hyperactive child.

In the simplified AVM for the word " walks " below, the verb's categorical information is divided into features that describe it ( HEAD ) and features that describe its arguments ( VALENCE ).

Although the actual grammar of HPSG is composed entirely of feature structures, linguists often use trees to represent the unification of signs where the equivalent AVM would be unwieldy.

The AVM is historically consistent since any Scandinavian explorers would have been Catholic at that time.

" Finn's 2002 musical A New Brain is based on his experience with AVM and his subsequent successful surgery.

If a lesion is discernible via angiogram in the same location as in the MRI, then an arteriovenous malformation ( AVM ) becomes the primary concern.

Air vice-marshal ( AVM ) is a two-star air-officer rank which originated in and continues to be used by the Royal Air Force.

This particular notation is called attribute value matrix ( AVM ).

If the flow in the AVM is in the other direction, portal venous blood flows directly into the veins rather than running through the liver ; this may lead to hepatic encephalopathy ( confusion due to portal waste products irritating the brain ).

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* ethanol-This permanent agent is very good for treating AVM.

This is a certificate issued by the Commodore Bureau of Sailors or Air Marshal / AVM on behalf of the President of India / Pakistan to authenticate the promotion of a sailor to the chief rank, an air warrior to warrant rank as the CPO, MCPO II / FCPO, MCPO I / MCPO, JWO / AWO, WO, MWO / CWO ranks are classed as Junior Commissioned ranks.

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An AVM lacks the dampening effect of capillaries on the blood flow ; it also causes the surrounding area to be deprived of the functions of the capillaries — removal of and delivery of nutrients to the cells.

Bleeding from an AVM can be relatively mild or devastating.

More detailed pictures of the tangle of blood vessels that compose an AVM can be obtained by using radioactive agents injected into the blood stream.

The notes also include the Pigpen cipher, devised by the Freemasons, and it may not be coincidental that the abbreviation AVM seen in Latin letters on the Kensington stone also appears ( for AUM ) on many Masonic gravestones ; Wolter and Nielsen in their 2005 book even suggested a connection with the Knights Templar.

If the AVM creates a connection between the portal vein and the blood vessels of the liver, the result may be portal hypertension ( increased portal vein pressure ), in which collateral blood vessels form in the esophagus ( esophageal varices ), which may bleed violently ; furthermore, the increased pressure may give rise to fluid accumulation in the abdominal cavity ( ascites ).

The most general symptoms of a cerebral AVM include headache and epilepsy, with more specific symptoms occurring that normally depend on the location of the malformation and the individual.

The genetic transmission patterns of AVM, if any, are unknown.

Olivecrona performed the first surgical excision of an intracranial AVM in 1932.

Symptoms of AVM vary according to the location of the malformation.

An AVM interferes with this cyclical process.

On some occasions a patient with a brain AVM may become aware of the noise, which can compromise hearing and interfere with sleep in addition to causing psychological distress.

* AVM Support Groups from the DMOZ Open Directory.

* University of California San Francisco AVM research.

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File: Bursa 7018. jpg | The glass pyramid entrance of Zafer Plaza AVM shopping center

File: Bursa 7149. jpg | Kent Meydanı AVM shopping center

The most frequently observed problems related to an AVM are headaches and seizures while at least 15 % of the population at detection have no symptoms at all.

Following the bleed's cessation, the AVM victim returns to normal, after his or her blood vessel has had time to repair itself.

Three main techniques are used to visualize the brain and search for AVM: computed tomography ( CT ), magnetic resonance imaging ( MRI ), and cerebral angiography.