What sort of etiologies are involved with COPD?
- Smoking #1, can be both, but more often emphysema.
- Infection--Recurring URI’s
- Heredity--Antitrypsin Deficiency (ATT) (can be young with no Hx of smoking, but will still present with COPD emphysema).
- --Loss of elastic recoil
- --Less functional alveoli