What is a spirometry?
A spirometry is a test which measures the function of the respiratory system. It can help characterize breathing problems into two main categories – “restrictive” and “obstructive”. By defining the breathing abnormality, a spirometry aids in diagnosing underlying respiratory diseases, such as asthma or COPD.
How do I prepare for a spirometry?
- Fasting is not necessary, however you should avoid taking the test after a heavy meal.
- Inhalers generally are not recommended for 48 hours before taking the first spirometry. If there is already a established diagnosis and the spirometry serves to evaluate the efficacy of treatment, then bronchodilators should be used. You should contact our office to receive instructions specific to your test.
- If the spirometry that has been ordered includes a “bronchodilator challenge”, then inhalers should definitely not be used 48 hours before the test.
- On the day of the spirometry, you should avoid stimulants, such as caffeine, coffee, and tea. Medications that can have a depressant effect, such as sleeping pills and anti-anxiety medications, should also be avoided before the test.
- Comfortable, nonrestrictive clothing is recommended.