The Prevalence of Iron Deficiency and the Effectiveness of Ferinject® in Patients With HFpEF (ID-HFpEF)

The calculation of the dose of iron carboxymaltosate (Ferinject ® preparation) for the purpose of correction of iron will be carried out on the basis of the following step-by-step approach: determination of individual iron needs, calculation and administration of iron dose, assessment of the saturation of the patient's body with iron 6 weeks after infusion.

Patients will receive diet therapy to correct latent iron deficiency