Module 4: Managing respiratory diseases Flashcards
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16
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What diseases are COPD an umbrella term of?
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- Emphysema = complete destruction of lung tissue
- Bronchioolitis = inflammation of small airway
- Chronic Bronchitis = overproduction of mucus
17
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what is the whole-of-life disease trajectories?
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injury to lungs early in life = increase COPD risk
* air pollution, social disadvantages, environmental factors
18
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how irreversible changes in lung structure cause airflow limitation, how this is worsened by inflammation
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- destruction of lung tissue in ddep lung = elastic fibres broken down = during expiration small airways collapse = inspiration they open due to physical forces = easily collapse in expiration = easy to get air in but not out
- starts at the smallest airway - destruction
- flow of air through small tubes
- loss of surface area for gas exchange
19
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how this pathobiology relates to bronchodilator therapy and its limitations
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20
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the important role of infection and recurrent exacerbations and effects of treatments
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