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Illustrated Health Encyclopedia
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Pulmonary function tests

Pulmonary function tests

   

Overview | Risks | Results

Alternative names:

Pulmonary function tests; PFTs; spirometry; spirogram; lung function tests

Normal Values

Normal values are based upon the age, height, ethnicity, and sex of the person being tested. Normal results are expressed as a percentage. A value is usually considered abnormal if it is less than 80% of the predicted value for that person.

What Abnormal Results Mean

Abnormal results usually mean that a degree of chest or lung disease may be present.

Ency. home > Test > < >

Pulmonary function tests

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