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Arteriovenous malformation

Arteriovenous malformation Causes

It is said that the formation of the lesion is still unknown although appears to grow within the first trimester of pregnancy. AVMs can be a component of the condition in numerous domestic hereditary disorders, for instance hemorrhagic telangiectasia, proteus syndrome and parkes-weber syndrome. AVMs are evaluated by phases of severity; by means of stage 1 as the slightest developed and stage 4 as the most severe.

Arteriovenous malformation Definition

Arteriovenous malformation or commonly known as AVM is an inborn disorder distinguished with a multifaceted, twisted web of arteries and veins. The hereditary spreading guide of AVM (if any) are unidentified, and AVM is not usually considered to be an inborn disorder--unless in the framework of a particular genetic disease. AVM may be evident at birth it may appear as a blemish that resembles a hemangioma. Comparing to other areas of the skin the skin of the AVM is warmer to the touch. The blemish is dark red. Throbbing in the mass can be noticed from the fast moving among arteries and veins.

Arteriovenous malformation Diagnosis

There are several tools used to diagnose AVM such as: Doppler ultrasound study - to identify irregular jolting of arterial blood stream. If the outcome, commonly known as a sonogram are believe for AVM, an MRI or magnetic resonance angiography (MRA) will be made. MRI or MRA - to confirm the analysis, verify the size of the AVM, and help out with scheduling the phases of treatment. Diagnostic angiography - to offer an exact plotting of the blood vessels, both usual and unusual, in the part of the affected area.

Arteriovenous malformation Symptoms and Signs

The known symptoms for AVM are hemorrhage or bleeding, seizures or unrestrained physical movements, headaches, neurological problems, paralysis, loss of speech, memory loss and vision loss.

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