Testing and Diagnosis for Arteriovenous Malformation in Children

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Contact the Vascular Anomalies Center

Tests-How are AVMs diagnosed?

Your child’s doctor may be able to tell with a physical examination of your child. Around the area of the AVM, the skin is warm and, in time, the pulsation of blood flow can be felt.

After the exam, your child’s doctor will probably want to do one or more of the following procedures:

  • Ultrasonography — To detect the rapid flow of blood through an AVM.
  • Magnetic resonance imaging (MRI) — This test gives the most information about the extent of the anomaly.
  • Angiogram— The most precise test to see the details of the AVM.  Your child’s doctor will inject a contrast dye that can be seen by x-ray fluoroscopy into the AVM via a flexible tube that is usually inserted in your child’s groin.
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