What is chronic obstructive pulmonary disease (COPD)? | ResMed

Chronic obstructive pulmonary disease

Learn more about chronic obstructive pulmonary disease (COPD): its causes, stages, diagnosis and treatment.

Learn about COPD

Learn more about chronic obstructive pulmonary disease (COPD): its causes, stages, diagnosis and treatment.

Learn how non-invasive ventilation (NIV) or invasive ventilation (IV) could help you to breathe more easily.

To understand what could be affecting your ability to breathe properly, it’s helpful to know what normal breathing looks like.