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Arteriovenous malformation
Arteriovenous malformation
by Alike Medical Team ∙ Updated on June 13, 2023
General
An arteriovenous malformation (AVM) is an abnormal tangle of blood vessels connecting arteries and veins, which disrupts normal blood flow and oxygen circulation. This disruption may cause the surrounding tissue to not get enough blood and get necrotic (a tissue that didn't get oxygenated blood for too much time), or the blood vessel could get ruptured and starts bleeding.
12 people with Arteriovenous malformation
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Signs & symptoms
Symptoms of AVM depend where they occur. In case of cerebral AVM (AVM in the brain), your symptoms may include: loss of neurological function, headaches, nausea and vomiting, seizures, and loss of consciousness. In case of AVM in the small or large intestine, you may suffer from gastrointestinal bleeding.
Diagnosis
To diagnose AVM you may be referred to some of the following tests: arteriography - a test uses a special dye injected into an artery to better show your vessels and diagnose an AVM. CT and MRI scans - can help show bleeding from vessels in your body.
Treatment
Treatment of AVM depends on its location, your symptoms, and overall health. The treatment can be divided into medications to help with the symptoms and stop the AVM bleeding, or the surgery to to remove the AVM.
Note
☝ We provide information on prescription and over-the-counter medicines, diagnosis, procedures and lab tests. This material is provided for educational purposes only and is not medical advice, diagnosis or treatment.
National Institutes of Health ∙ World Health Organization ∙ MedlinePluse ∙ Centers for Disease Control and Prevention
☝ All information has been reviewed by certified physicians from Alike
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