In end-stage kidney disease, anemia is monitored using which laboratory parameter?

• A. Creatinine
• B. Hemoglobin/Hematocrit
• C. Potassium
• D. Calcium

Answer: (B)

Anemia in end-stage kidney disease is monitored by measuring hemoglobin and hematocrit because these values directly reflect the blood’s oxygen-carrying capacity. Hemoglobin is the protein in red blood cells that carries oxygen, and hematocrit is the percentage of blood volume made up by red blood cells. In CKD/ESKD, decreased erythropoietin production reduces red blood cell production, so tracking these two parameters shows how severe the anemia is and how well treatment (like iron therapy or erythropoiesis-stimulating agents) is working.

Creatinine indicates kidney function and dialysis adequacy, not anemia. Potassium and calcium reflect electrolyte and mineral balance, not directly the red blood cell count or oxygen-carrying capacity.