Exercise Spirometry

Aka: Exercise Spirometry, Exercise Test to Assess Respiratory Status, Spirometry with Exercise Test, Exercise Challenge with Pulmonary Function Testing, Eucapnic Voluntary Hyperpnea

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II. Indications

  1. Exercise Induced Bronchospasm diagnosis

III. Protocol

  1. Obtain baseline Pulmonary Function Tests
  2. Perform Exercise
    1. Patient wears nose clip
    2. Reach 80-90 of Maximal Heart Rate within 2 minutes
    3. Maintain increased Heart Rate for 8 minutes
    4. Test performed under constant conditions (humidity <50%, air Temperature 60 to 70 F or 20 to 25 C)
  3. Obtain post-exercise Pulmonary Function Tests
    1. Minute 1-3 post-Exercise
    2. Minute 5 post-Exercise
    3. Minute 10 post-Exercise
    4. Minute 15 post-Exercise
    5. Minute 20 post-Exercise
    6. Minute 30 post-Exercise
    7. Minute 45 post-Exercise

IV. Interpretation: Positive test criteria

  1. FEV1 or FVC declines 10% or more between any 2 consecutive points in the first 30 minutes post-Exercise

V. Diagnostics: Eucapnic Voluntary Hyperpnea

  1. Specialized lung function testing at designated centers (per International Olympic Committee)
  2. Indicated for olympic level athletes to be approved for Bronchodilator use prior to Exercise

VI. References

  1. Johnson (2014) Am Fam Physician 89(5): 359-66 [PubMed]
  2. Randolph (2011) Curr Allergy Asthma 11(6): 482-90 [PubMed]

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