Bronchiectasis vs COPD: What It Really Means
💡TL;DR: Bronchiectasis and COPD are not the same disease. Bronchiectasis is permanent widening and scarring of the bronchial tubes, usually after infections, while COPD (emphysema and chronic bronchitis) is airflow limitation from long-term irritant exposure. COPD is confirmed with spirometry when post‑bronchodilator FEV1/FVC stays below 0.70,