Hereditary hemorrhagic telangiectasia in a 42-year-old Ethiopian man presenting with severe anemia and high-output heart failure: A case report with literature review.

Key Clinical Messages: Hereditary hemorrhagic telangiectasia (HHT), a rare hereditary disorder, can cause recurrent massive epistaxis and gastrointestinal bleeding leading to severe anemia. Early diagnosis of HHT is essential to provide timely interventional therapies.

Abstract: HHT is a rare autosomal dominant hereditary disease that results in abnormal vasculogenesis in the skin, mucous membranes, and visceral organs such as the liver, lungs, and brain.