Chapter 23

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Author:
wvuong
ID:
296684
Filename:
Chapter 23
Updated:
2015-02-24 03:35:54
Tags:
restrictivePulmonary
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Description:
respiratory function
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  1. Sypmtoms start 4-6 hrs after exposure and resolved in 18-24 hrs. Symptoms may include chills, sweating, shivering, myalgias, nausea, lethargy, headache, and malaise (maybe fever).respiratory sympotoms include dyspnea, dry cough, tachypnea, and chest discomfort.
    Chronically, diffuse pulmonary fibrosis develops in upper lobes, and cor pulmonale 

    What does the patient have? 
    What is the treatment?
    hypersenitivity pneumonitis

    • treatment: 
    • -id the agent and prevent exposure
    • -oral corticosteroids
  2. What is the etiology of hypersensitivity pneumonitis?
    • 'extrinsic allergic alveolitis'
    • -restrictive and occupational disease
    • inhaled organic agents for inflammatory process
  3. What is the diagnosis of hypersensitivity pneumonitis?
    acute/subacute phase, transient bilateral pulmonary infiltrates or increased bronchial markings with alveolar modular infiltrates may be found on chest xray

    chronic phase - diffuse reticulonodular infiltrates and fibrosis are present 

    • lab findings:
    • -increased white blood cell count
    • -decrease PaO2
    • -elevations in erythrocyte sedimentation rate 
    • increase C reactive protein 

    hypoxemia worsens with exercise 

    PFT - decreased lung volumes, diffusing capacity, and static compliance
  4. zaacute/subacute phase, transient bilateral pulmonary infiltrates or increased bronchial markings with alveolar modular infiltrates may be found on chest xraychronic phase - diffuse reticulonodular infiltrates and fibrosis are present lab findings: -increased white blood cell count -decrease PaO2-elevations in erythrocyte sedimentation rate increase C reactive protein hypoxemia worsens with exercise PFT - decreased lung volumes, diffusing capacity, and static compliance 

    This diagnosis is for which disease?
    hypersensitivity pneumonitis
  5. Patient seemed to have tachycardia, decreased or absent breath sounds on affected side, hyperresonance, sudden chest pain on affected side, and dyspnea. 

    What is this disease? 
    What is the treatment?
    Pneumothorax 

    • Treatment: 
    • treated symptomatically, 
    • chest tube placement with waterseal and suction
    • thoracotomy
    • surgery
  6. Chest xray shows depression of hemidiaphragm on side of this and a pleural line with absence of vessel marking peripheral to this line. It shows a mediastinal shift. ABG shows decrease PaO2 and acute respiratory alkalosis. 

    What is this disease?
    pneumothorax
  7. What is the etiology of pneumothorax?
    The accumulation of air in the pleural space.
  8. What is the pathogenesis of pneumothorax?
    results from rupture of small subpleural blebs in the apices. When air enters pleural space, lung collapses and rib cage springs out.
  9. Etiology: collection of pus/fluid in the pleural cavity as result of another disease. constant movement of pleural fluid from parietal pleural capillaries to pleural space, and reabsorb to parietal pleural lymphatics. 

    What disease is this?
    Pleural Effusion

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