Differential Diagnosis
The differential diagnosis of COPD, and therefore should be ruled out, includes asthma, bronchiectasis, congestive heart failure (CHF), diffuse panbronchiolitis, obliterative bronchiolitis, and tuberculosis.

The differential diagnosis of COPD, and therefore should be ruled out, includes asthma, bronchiectasis, congestive heart failure (CHF), diffuse panbronchiolitis, obliterative bronchiolitis, and tuberculosis.