KnowraChronic obstructive pulmonary diseaseLinked fromLinked fromThe 41 pages that link to Chronic obstructive pulmonary disease, each with the reason it gives.All 41Broader topic 6Related 24Narrower topic 3Compared with 8Respiratory failureBroader topic: It is a common underlying disease that can cause chronic or acute-on-chronic failure.Pulmonary function testingBroader topic: Spirometry is used to establish airflow obstruction and assess its severity.Pulmonary rehabilitationBroader topic: It is the best-studied indication and a common reason for referral.Respiratory diseaseBroader topic: It contrasts with episodic obstruction through persistent limitation of airflow.Health effects of smoking tobaccoBroader topic: Tobacco smoke is the main cause of COPD in many populations.Shortness of breathBroader topic: Air trapping and reduced airflow often make breathing difficult, especially during exertion.