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How do doctors diagnose obstructive or restrictive lung disease?

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To diagnose obstructive or restrictive lung disease, your doctor will ask you to blow air forcefully through a mouthpiece. A machine will record the volume and flow of air through your lungs.

They also may recommend imaging tests:

In some cases, doctors use an endoscope (a flexible tube with a camera and tools on its tip) to look inside the airways and take samples of lung tissue for testing.

  • Chest X-ray film
  • Computed tomography (CT scan) of the chest

From: Obstructive and Restrictive Lung Disease WebMD Medical Reference

SOURCES:

Mason, R. , Saunders, 2010. News release, FDA. Murray and Nadel's Textbook of Respiratory Medicine, 5th Edition

Medline Plus.

National Institutes of Health.

Vainshelboim, B et al. Respiration 2014; 88(5):378-88

Reviewed by Louise Chang on February 4, 2018

SOURCES:

Mason, R. , Saunders, 2010. News release, FDA. Murray and Nadel's Textbook of Respiratory Medicine, 5th Edition

Medline Plus.

National Institutes of Health.

Vainshelboim, B et al. Respiration 2014; 88(5):378-88

Reviewed by Louise Chang on February 4, 2018

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What are symptoms of obstructive and restrictive lung disease?

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