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An 80-year-old woman with severe aortic stenosis presented with relapsing enterorrhagia and severe anemia. A video capsule pan-endoscopy showed multiple sites of complex mucosal angiodysplasia in the jejunum. Direct hemostatic treatment of accessible angiodysplasia was done with argon plasma coagulation, and the patient was urgently referred for trans-catheter aortic valve replacement (TAVR). At follow-up 1 month and 3 months later, she was doing well with no further episodes of bleeding. Heyde's syndrome is referred to as the as