American Stroke Association. Author: Randall T. Higashida, M.D. This article is available for public use and does not require purchase. Click to view the full article.
GeneReviews. Authors: Jamie McDonald, MS, CGC and Reed E Pyeritz, MD, PhD, FACMG. This article is available for public use and does not require purchase. Click to view the full article.
Hereditary hemorrhagic telangiectasia (HHT) is characterized by the presence of multiple arteriovenous malformations (AVMs) that lack intervening capillaries and result in direct connections between arteries and veins. The most common clinical manifestation is spontaneous and recurrent nosebleeds (epistaxis) beginning on average at age 12 years.(view resource to learn more)