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Chronic bronchitis and emphysema.
What are the two main obstructive pulmonary diseases under COPD?
It increases.
What happens to airway compliance in emphysema?
Alveolar damage reduces surface area for gas exchange.
What causes V/Q mismatch in emphysema?
Due to weak recoil,
narrowed airways,
and high resistance.
Why is expiratory flow reduced in emphysema?
"Pink Puffer"
What is a common nickname for patients with emphysema?
Submucosal gland hypertrophy from smoking or irritants.
What causes thickened airways in chronic bronchitis?
Bronchiectasis or atelectasis.
What can mucus blockage lead to in chronic bronchitis?