Massive gastrointestinal hemorrhage due to hereditary hemorrhagic telangiectasia.
D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006470:Hemorrhage; D006801:Humans; D013683:Telangiectasia, Hereditary Hemorrhagic; D013684:Telangiectasis / Q000150:complications*
HEMORRHAGE, GASTROINTESTINAL/etiology; TELANGIECTASIS/complications