Spirometry Testing
Spirometry is a fast, safe, and noninvasive breathing test that measures how well your lungs function—helping diagnose conditions like asthma, COPD, and chronic bronchitis.
What Is Spirometry?
Spirometry is one of the most common pulmonary function tests (PFTs) used to determine how much air your lungs can hold and how quickly you can exhale. During the test, you will take a deep breath in and blow forcefully into a mouthpiece connected to a spirometer, which records your airflow and lung capacity.
This test is essential for evaluating long-term breathing issues and monitoring lung health over time.
Conditions Diagnosed or Monitored With Spirometry
Spirometry helps your provider:
- Detect early signs of lung disease
- Confirm or rule out asthma and COPD
- Measure the severity of breathing problems
- Monitor how well treatments are working
- Establish a baseline for long-term respiratory care
Why Spirometry Is Important
Spirometry is commonly used for patients experiencing:
- Asthma
- Chronic Obstructive Pulmonary Disease (COPD)
- Chronic bronchitis
- Emphysema
- Persistent cough
- Shortness of breath
- Suspected occupational lung exposure
What to Expect During the Test
The spirometry test typically takes 10–15 minutes and includes:
- A deep inhalation
- A forceful, rapid exhale into the device
- Several repeated attempts to ensure accuracy
You may also perform the test before and after a bronchodilator medication to assess airway response.
Is Spirometry Safe?
Yes. Spirometry is a safe, noninvasive test suitable for most adults and children. You may temporarily feel lightheaded after forceful exhalation, but the sensation usually passes quickly.
How to Prepare
To ensure the best results, we recommend:
- Avoid smoking for 6 hours before the test
- Wear comfortable clothing
- Avoid large meals immediately beforehand
- Bring a list of medications, especially inhalers
Your provider may ask you to pause certain inhalers before the test—please follow instructions carefully.
Frequently Asked Questions
If you’re experiencing chronic cough, wheezing, or difficulty breathing, spirometry can provide critical insights into your lung health.
At Westchase Pulmonary and Sleep Associates, patients choose us for our compassionate care, advanced expertise, and personalized approach to every health need. We combine modern medicine with a patient-first focus helping you breathe easier, sleep better, and live healthier every day.
- Board-certified pulmonologists
- Advanced imaging technology
- Coordinated care with oncologists and radiologists
- Personalized follow-up and patient education
- Compassionate, confidential support at every step
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