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Simple pulmonary function tests

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The basic pulmonary function tests may be performed with a peak expiratory flow meter and a spirometer.

The following values may be measured:

  • peak expiratory flow rate (PEFR)
  • vital capacity (VC)
  • forced vital capacity (FVC)
  • forced expiratory volume in one second (FEV1)
  • FEV1/FVC ratio

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The content herein is provided for informational purposes and does not replace the need to apply professional clinical judgement when diagnosing or treating any medical condition. A licensed medical practitioner should be consulted for diagnosis and treatment of any and all medical conditions.

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