Lectrue 6 Flashcards
1
Q
How much lung function do people have when first diagnosed with COPD?
A
50%
2
Q
Describe chronic bronchitis
A
Productive cough present over years, excessive sputum production, involved in bronchi
3
Q
Describe emphysema
A
Alveolar wall destruction
Irreversible enlargement of the terminal air spaces
4
Q
What can emphysema lead to?
A
Pulmonary hypertension, cyanosis, hypoxia, right heart failure
5
Q
What are the causes of COPD?
A
Cigarette, hazardous environment
Fumes
Polluted environment
Cooking with fire stoves
6
Q
Describe COPD pathology
A
Increase in smooth muscle, increased mucus production restricting the airway, SA for gaseous exchange significant reduced
7
Q
What causes COPD acute exacerbations?
A
Bacterial infections and viral infections
