Respiratory Flashcards
1
Q
Patho of Asthma
A
- Inflammation of airway caused by a trigger (pollen)
- Hyper-secretion of mucous, airway muscle constriction, swelling bronchial membranes
- Narrow breathing passages
- Wheezing, cough, SOB,
2
Q
Patho of Pneumonia
A
- Aspiration of organism
- Release of endotoxins
- Inflammatory response
- Release of Mediators
- Accumulation of exudate, RBC and bacteria
- Red hepatisation
- Grey
- Resolution
3
Q
Patho of COPD
A
- Inflammation and fibrosis of bronchial wall
- Hypertrophy of submucosal glands and hyper-secretion of mucus
- Loss of alveolar tissue and elastic lung fibres
- Results in obstruction of air flow
- Decreased area for gas exchange
- Impaired expiratory flow rate
- Decreased air trapping
- Predisposes to airway collapse
4
Q
Patho of Emphysema
A
- Loss of lung elasticity
- Abnormal enlargement of air spaces distal to terminal bronchioles
- Destruction of alveolar walls and capillary beds
5
Q
Patho of Chronic Bronchitis
A
- Hypersecretion of mucus in large airways
- Hypertrophy of submucosal glands in trachea and bronchi
- Mucus production, plugging airway lumen
- Inflamm infiltration and fibrosis of bronchiolar wall
