Treatment With IV Iron in Hospitalized Patients With Severe Heart Failure But Without Iron Deficiency

Patients with congestive heart failure, grade 3-4, in addition to the standard care, will be randomized 1:1. The study group will receive 2 doses of IV iron (Iron carboxymaltose). The control group will receive standard of care alone. The study will test for the effects of the additional IV iron on the symptoms, clinical picture and quality of life of the treated patients.