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How is stage II chronic obstructive pulmonary disease (COPD) diagnosed?

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You'll talk to your doctor about your health history and get a physical exam. You'll also take a simple breathing test, which tells you if you have COPD. One of the results from it, known as "forced expiratory volume in one second" (FEV1), tells you the stage you're in.

You have stage II if FEV1 is from 50% to 80%.

From there, you may get blood tests, exercise tests, imaging, and more. They'll reveal important details about how COPD is affecting your body and how your lungs are working. That can help you and your doctor figure out the best treatment.

SOURCES:

Oklahoma Department of Human Services: "Stages of COPD and Spirometric Classifications."

Global Initiative for Chronic Obstructive Lung Disease: "What You Can Do About a Lung Disease Called COPD," "Pocket Guide to COPD Diagnosis, Management, and Prevention."

Medscape: "Chronic Obstructive Pulmonary Disease (COPD)."

COPD: Journal of Chronic Obstructive Pulmonary Disease: "Fatigue in COPD and the Impact of Respiratory Symptoms and Heart Disease -- A Population-based Study."

National Jewish Health: "COPD."

National Sleep Foundation: "COPD and Difficulty Breathing."

Mayo Clinic: "COPD."

NIH, National Heart, Lung, and Blood Institute: "COPD."

American Thoracic Society: "COPD Today," "Exacerbation of COPD."

YourLungHealth.org: "Stages of COPD."

American Family Physician: "Management of COPD Exacerbations."

Merck Manual, Professional Version: "Treatment of Acute COPD Exacerbation."

Cleveland Clinic: "4 Biggest Myths About Your COPD -- and How to Cope."

Reviewed by Sabrina Felson on February 13, 2020

SOURCES:

Oklahoma Department of Human Services: "Stages of COPD and Spirometric Classifications."

Global Initiative for Chronic Obstructive Lung Disease: "What You Can Do About a Lung Disease Called COPD," "Pocket Guide to COPD Diagnosis, Management, and Prevention."

Medscape: "Chronic Obstructive Pulmonary Disease (COPD)."

COPD: Journal of Chronic Obstructive Pulmonary Disease: "Fatigue in COPD and the Impact of Respiratory Symptoms and Heart Disease -- A Population-based Study."

National Jewish Health: "COPD."

National Sleep Foundation: "COPD and Difficulty Breathing."

Mayo Clinic: "COPD."

NIH, National Heart, Lung, and Blood Institute: "COPD."

American Thoracic Society: "COPD Today," "Exacerbation of COPD."

YourLungHealth.org: "Stages of COPD."

American Family Physician: "Management of COPD Exacerbations."

Merck Manual, Professional Version: "Treatment of Acute COPD Exacerbation."

Cleveland Clinic: "4 Biggest Myths About Your COPD -- and How to Cope."

Reviewed by Sabrina Felson on February 13, 2020

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How is stage II chronic obstructive pulmonary disease (COPD) treated?

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