Anemia is a common clinical condition in which the volume of red blood cells in the peripheral blood is reduced, resulting in a hemoglobin that is below the normal range value. Red blood cell volume is more difficult to measure, so it is often measured clinically by hemoglobin concentration.
Depending on the etiology, anemia can be divided into anemia with decreased erythropoiesis, anemia with excessive destruction of red blood cells, and anemia with hemorrhagic loss. Transfusion can only replenish blood volume, not helpful to improve red blood cell volume and hemoglobin concentration, and is not effective in improving anemia.
Patients with anemia should consult a doctor in time for further examination to clarify the type and cause of the anemia, and under the guidance of a professional doctor for treatment.