Page 13 - PNEUMONIA
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                                                   PATHOPHYSIOLOGY OF PNEUMONIA









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                                                      Collection of secretions and mucosal oedema

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                                                                   Blockage of bronchi and alveoli


                                                                                             ↓

                                                                          less alveolar O2 tension


                                                                                 Hypoventilation

                                          Venous blood enters the pulmonary circulation through the


                                                               Lack of ventilation        low blood O2
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