Tolerance for transfusion in presence of impaired cardiac reserve.
D001164:Arteriovenous Fistula; D001803:Blood Transfusion; D005402:Fistula; D006321:Heart; D006333:Heart Failure; D006801:Humans
BLOOD TRANSFUSION/experimental; FISTULA, ARTERIOVENOUS/experimental; HEART FAILURE, CONGESTIVE/experimental