Expected Hemoglobin Increase from Blood Transfusion

A 45-year-old male patient is scheduled for a laparoscopic cholecystectomy and has a history of anemia due to chronic blood loss. The healthcare provider orders 2 units of red blood cells to be transfused before surgery. As the nurse prepares to administer the transfusion, you review the parameters of the blood product infusion.

According to established guidelines for blood transfusions, each unit of red blood cells is expected to increase the patient's hemoglobin by approximately ______. This increase is critical in guiding the nurse's assessment and monitoring of the transfusion's effectiveness and the patient's response.