Differential diagnosis: chronic
Lung
- Cancer
- COPD
- asthma *
- bronchiectasis
- diffuse lung disease
Airways
- rhinosinusitis * (post-nasal drip)
- smoking ** (50 %)
Other systems
- GORD (gastro-oesophageal reflux disease)*
- LVF
Systemic
- Drugs (ACE-inhibitors, beta-blockers)
* 90 % with normal chest x-rays have asthma, GORD or rhinosinusitis.
** but ALWAYS consider bronchogenic Carcinoma
