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Iron Deficiency Anaemia - Coggle Diagram

- - - - Microcytic anaemia
      - Normocytic anaemia
      - Macrocytic anaemia
    - - Reduced RBC production
      - Increased RBC destruction (haemolysis)
      - Blood loss
    - - Microcytic hypochromic anaemia
      - Iron deficiency anaemia
- - - - Gastrointestinal bleeding
      - Other sources of chronic bleeding
- - - - Reduced oxygen delivery to tissues
    - - Cardiovascular response to reduced oxygen-carrying capacity
    - - Increased demand for oxygen during activity
    - - Reduced haemoglobin concentration
    - - Clinical manifestation of anaemia
    - - No jaundice
      - No cyanosis
      - No chest pain
      - No reported melena or bleeding per rectum
      - No organomegaly
- - - - Haemoglobin: 9.5 g/dL, decreased
      - RBC count: 4.30 × 10¹²/L, slightly decreased
      - PCV: 0.29, decreased
      - MCV: 68 fL, decreased
      - MCH: 20, decreased
      - MCHC: 28, decreased
      - RDW: 19.7%, increased
    - - Microcytic RBCs
      - Hypochromic RBCs
      - Anisopoikilocytosis
      - Occasional oval and elliptical cells
    - - Serum iron: 5 µmol/L, decreased
      - Ferritin: 4 µg/L, decreased
      - Transferrin: 4.5 g/L, increased
      - Iron saturation: 6%, decreased
    - - Red cell folate: within the supplied reference range
      - Vitamin B12: within the supplied reference range
    - - Findings strongly support iron deficiency anaemia.
      - Low MCV and high RDW support the diagnosis but are not 100% sensitive on their own.
      - Further investigation is needed to identify the underlying cause.