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2. Nitrogen washout - Wikipedia

   en.wikipedia.org/wiki/Nitrogen_washout

   A nitrogen washout can be performed with a single nitrogen breath, or multiple ones. Both tests use similar tools, both can estimate functional residual capacity and the degree of nonuniformity of gas distribution in the lungs, but the multiple-breath test more accurately measures absolute lung volumes. [1]

3. Spirometry - Wikipedia

   en.wikipedia.org/wiki/Spirometry

   Spirometry (meaning the measuring of breath) is the most common of the pulmonary function tests (PFTs). It measures lung function, specifically the amount (volume) and/or speed (flow) of air that can be inhaled and exhaled.

4. Pulmonary function testing - Wikipedia

   en.wikipedia.org/wiki/Pulmonary_function_testing

   Pulmonary function testing is a diagnostic and management tool used for a variety of reasons, such as: Diagnose lung disease. Monitor the effect of chronic diseases like asthma, chronic obstructive lung disease, or cystic fibrosis. Detect early changes in lung function. Identify narrowing in the airways. Evaluate airway bronchodilator reactivity.

5. Impulse oscillometry - Wikipedia

   en.wikipedia.org/wiki/Impulse_oscillometry

   Impulse oscillometry (IOS), also known as respiratory oscillometry, forced oscillatory technique (FOT), or just oscillometry, is a non-invasive lung function test that measures the mechanical properties of the respiratory system, particularly the upper and intrathoracic airways, lung tissue and chest wall, usually during the patient's tidal breathing (the way someone breathes when they are ...

6. Helium dilution technique - Wikipedia

   en.wikipedia.org/wiki/Helium_dilution_technique

   The helium dilution technique is the way of measuring the functional residual capacity of the lungs (the volume left in the lungs after normal expiration).. This technique is a closed-circuit system where a spirometer is filled with a mixture of helium (He) and oxygen.

7. Category:Pulmonary function testing - Wikipedia

   en.wikipedia.org/wiki/Category:Pulmonary...

   Pulmonary function is the measurement of pulmonary capacity and perfusion capabilities. Pages in category "Pulmonary function testing" The following 20 pages are in this category, out of 20 total.