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Spirometry - Pulmonary Function Test


Results and Values

What do the test results mean?

Normal values for the match test, the FEF, and the PER tests are as follows:

  • match test: the flame is blown out easily
  • FET test: all the air in the lungs is expelled in two to five seconds
  • PEF: the value should be 80% of the predicted normal value
  • A person's spirometer readings from the MVV, FVC, and FEV1 are compared with values from a standard table. The table provides values based on a person's age, sex, and body size. Based on the patterns seen, the provider can diagnose different lung problems.

    Abnormal results may indicate the following:

  • changes in lung function due to medications
  • exposure to contaminants in the air
  • exposure to contaminants in the air
  • lung disease

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