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An arteriovenous malformation, or AVM, is an abnormal connection between arteries and veins that bypasses the normal capillary network.
Possible Symptoms
Headaches
Seizures
Weakness or numbness
Speech changes
Visual changes
Coordination difficulties
Diagnosis
MRI, magnetic resonance angiography, and cerebral angiography may be used to identify an AVM and evaluate its blood supply.
Treatment
Treatment may include microsurgery, endovascular embolization, stereotactic radiosurgery, observation, or a combination of approaches.
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