COPD

Frequently Asked Questions

5. How is COPD diagnosed?

Diagnosing COPD Diagnosing COPD - opens in new window
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To confirm a COPD diagnosis, a doctor will use a breathing test called spirometry. The test is easy and painless. It shows how well the lungs are working.

Spirometry test. - Click to enlarge in new window.
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The spirometer measures how much air the lungs can hold and how fast air is blown out of the lungs. Other tests, such as bronchodilator reversibility testing, a chest X-ray, and arterial blood gas test, may be ordered.

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