The 24 item whole blood test is mainly used to screen for anemia, infection, inflammation, blood system diseases, and metabolic abnormalities. The core testing items include red blood cell count, white blood cell classification, platelet parameters, hemoglobin concentration, and blood glucose and lipid indicators.
1. Anemia screening:
Determine the type of anemia through indicators such as hemoglobin and hematocrit. Iron deficiency anemia is characterized by a decrease in hemoglobin and a decrease in red blood cell volume, while megaloblastic anemia shows an increase in red blood cell volume. Mediterranean anemia can result in an increase in target red blood cells, while aplastic anemia can lead to a decrease in whole blood cells.
2. Infection assessment: An increase in the total number of white blood cells and the proportion of neutrophils indicates bacterial infection, while an increase in lymphocytes is common in viral infections. An increase in eosinophils may be associated with parasitic infections or allergies, while an increase in monocytes requires caution against special infections such as tuberculosis.
3. Inflammation assessment:
C-reactive protein and rapid increase in erythrocyte sedimentation rate reflect inflammatory activity in the body, and positive rheumatoid factor indicates autoimmune diseases. Patients with systemic lupus erythematosus may have positive anti nuclear antibodies, and HLA-B27 antigen expression can be seen in ankylosing spondylitis.
4. Blood disease prompt:
Abnormal increase in platelets should be screened for primary thrombocytosis, and a decrease may indicate immune thrombocytopenic purpura. Leukemia patients can have immature cells in their peripheral blood, and multiple myeloma can lead to abnormal elevation of globulin.
3. Metabolic monitoring:
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