small airway diseases

Question 1

Complications of obstructive lung diseases

Answer 1

• Pneumonia (impaired drainage)
• Acute respiratory failure
• Pneumothorax (too high intrapulmonary pressure due to air trapping)

Question 2

Long term complications of COPD

Answer 2

• Chronic hypoxia
• Pulmonary hypertension
• Cor pulmonale
• Polycythemia (compensatory response to reduced PaO2 by increasing RBC in blood)