Disabling Dyspnea & Respiratory Distress
Defined by:
- Dyspnea at rest or with minimal exertion
- Dyspnea poorly responsive or unresponsive to bronchodilator therapy
- Dyspnea results in other debilitating symptoms such as decreased functional activity, fatigue, and cough
- FEV-1< 30% predicted post-bronchodilator, if available