Hemoglobin Calculator


Weight (kg)

Serum Hemoglobin (g/dL)

Fluid Administered (L)

What is this for?

Anemia amongst hospitalized patients is widespread, occurring in up to 75% of inpatients. In addition to primary hematologic diseases, contributing factors include acute illness, phlebotomy and dilutional anemia. In fact, intravenous fluids are given to a majority of inpatients at some point during their hospitalization, and studies on fluid resuscitation in sepsis highlight the significant effect of hemodilution on anemia. With increasing recognition of the risks of over-transfusion of red blood cells, properly identifying dilutional anemia is important for patient care. Clinicians may benefit from using a simple, quantitative approach to predict how much a patient’s hemoglobin concentration will change from a given intravenous fluid load. -A Quantitative Approach to Dilutional Anemia

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