Red cell pressure volume, also called erythrocyte specific volume, is the volume of all red blood cells in peripheral blood as a percentage of blood volume.
In a normal adult male, the erythropoietic pressure volume is 40%-50%. In adult women, it is 37%-48%.
The most common cause of low erythropoietic pressure is a decrease in the number of red blood cells, which can be caused by deficiencies in hematopoietic materials such as iron, vitamin B1 2, folic acid, vitamin B6, and protein, or by a decrease in erythropoietin, which regulates erythropoiesis, including various types of anemia, such as iron deficiency anemia, aplastic anemia, hemolytic anemia, and megaloblastic anemia. anemia, megaloblastic anemia, serum sickness, thalassemia, etc.
Also, malignant diseases of the hematologic system such as leukemia, myelodysplastic syndrome, multiple myeloma, lymphoma, etc., such as bone marrow infection, toxicity, radiation damage, or occupation by tumor cells. As a result of these malignant diseases, the normal hematopoietic function of the bone marrow is destroyed, the number of red blood cells is reduced, and a significantly low red blood cell pressure product can also occur.