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  • Echo Bubble: An ultrasound test to detect AVMs in the lung. A Sterile salt-water solution is shaken to create micro bubbles and is then injected into an arm vein. Ultrasound images of the heart are recorded to see if these bubbles reach the left side of the heart (suggestive of lung AVMs).
  • EEG/Electroencephalogram: A recording of brain electrical activity.
  • Electrocautery: See cautery.
  • Embolism: An obstruction in a blood vessel, usually by a blood clot.
  • Embolization/Embolotherapy: A Treatment for AVMs. Some sort of device (usually a coil or plug) is placed using a catheter to block off the blood flow to an AVM.
  • Endoscopy: Examination of the hollow organs of the body by passing a camera on a tube into the organs (such as the stomach and bowels).
  • Endothelium: The inner layer of cells which line the blood vessels.
  • ENT: A doctor who specializes in the ears, nose and throat. Also called an otolaryngologist.
  • Epistaxis: Nosebleeds.