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Complete blood count (CBC) (RBC (Calculated parameters (Mean corpuscular…

- - - - Corrected WBC count
        
        Series count
        
        Neutrophils
        
        Absolute #
        
        ยึดค่านี้เป็นหลัก
        
        Neutrophils (%) x corrected WBC / 100
        
        Percent %
        
        Lymphocytes
        
        Monocytes
        
        Eosinophils
        
        Basophils
        
        White cell count (x10^3/ul) x 100 / (NRBC (%) + 100)
        
        Leukopenia : low
        
        Leukocytosis : high
      - Absolute NRBC #
- - - - 150-450 x 10^3/ul
- - - - High : Polycythemia
        
        Polycythemia vera
        
        Genetic
        
        Stay high altitude
        
        Congenital heart disease
      - Low : Anemia
        
        Aplastic anemia
        
        Pancytopenia
        
        Chronic renal failure
        
        ไตสร้าง erythropoietin
        
        Iron def.
        
        Pregnancy
        
        Dilutional effect
        
        WHO Criteria
        
        Adult male
        
        Hb < 13 g/dl
        
        Adult female and child 6-12 yrs
        
        Hb < 12 g/dl
        
        Pregnancy and child < 6 yrs
        
        Hb < 11 g/dl
      - Rule of three
        
        Apples to normocytic, normochromic RBCs only
        
        Useful to detect lab error
        
        Red cell count —x3–> Hemoglobin —x3–> Hematocrit
  - - - Average volume (size) of RBC
      - Ref value
        
        80-100 fL
      - Hct (%) x 10 / RBC x (10^12/L)
      - Normochromic anemia : 80-100 fL
        
        Acute blood loss
        
        Hemolytic anemia
      - Macrocytic anemia : >100 fL
        
        Folate def.
        
        B12 def.
      - Microcytic anemia : <80 fL
        
        Thalassemia
        
        Iron def.
    - - Conc. of Hb in volume of total RBCs
      - Hb (g/dL) x 100 / Hct (%)
      - Ref value
        
        33-37 g/dL
      - Spherocytosis (Hyperchromic)
        
        Hereditary spherocytosis
        
        Hemolysis
      - Hypochromic
        
        Thalassemia
        
        Iron def.
    - - Variation in RBC size
      - Bell curve graph
      - SD of MCV x 100 / Mean MCV
      - Ref value
        
        11.0-14.5 %
      - Anisocytosis
        
        B12/Folate def.
        
        Iron def.
        
        Hemolytic anemia
        
        RBC fragmentation
- - - - รักษาสภาพ cell โดยดึง Ca2+ ออกจาก cell
      - Should be performed within 4 hrs
        
        Unless
        
        Lymphocytes
        
        Clover leaf nuclei
        
        RBC
        
        False positive echinocytes
- - - - Forward
        
        cell volume or size
      - Side
        
        internal complexity (content/granules) บอกชนิดของ WBC