Vascular Articles
Arteriovenous Malformation
Arteriovenous malformation (AVM) is an abnormal connection between arteries and veins, bypassing the capillary system. Although many AVMs are asymptomatic, they can cause severe pain or bleeding or lead to other serious medical problems. AVMs are usually congenital Present since birth but become symptomatic at a later age.

Signs & Symptoms

Symptoms of AVM vary according to the location of the malformation. Most of people affected with AVM are asymptomatic. In some cases its expansion or bleeding can cause pain.
AVMs can occur in various parts of the body:
  • Arm
  • Shoulder
  • Legs
  • Face & lips
  • Chest
  • Hips
  • Other internal organs
Bleeding from an AVM can be relatively mild or devastating


AVMs are diagnosed primarily by the following methods:
  • Computerized Tomography (CT) scan
  • Magnetic Resonance Imaging (MRI)
  • MRA (Magnetic Resonance Angiogram)

Treatment is repetitive needs multiple sittings and is for control of the size, bleeding. Ulcers very small and to calised the malformation is rarely completely cured.

AVM-specific treatment may involve endovascular embolization, Embolization, cutting off the blood supply to the AVM with coils or particles or glue introduced by a radiographically guided catheter, can be used.


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