Hepatitis E virus (HEV) is transmitted via the fecal-oral route and can cause chronic infection in immunocompromised individuals. A 23-year-old man with no medical history visited our hospital after testing HEV positive during blood donation. Although he did not develop acute hepatitis, HEV IgA remained positive for over eight months.

Hepatic arteriovenous malformation mostly occurs as a manifestation of hereditary hemorrhagic telangiectasia. Clinical symptoms include hyperpulsatile heart failure, hepatic encephalopathy, and ascites. We present a case of hepatic arteriovenous malformation and atrial septal defect causing heart failure.