Pulmonary Function Test / Pulmonary Stress Patient Instructions

Patient Information – Pulmonary Function Test (PFT)

What is a Pulmonary Function Test?

Pulmonary Function Tests are used to diagnose lung diseases and to assess the status of established lung diagnoses.

How Long Does a Pulmonary Function Test Take?

Please allow 30 – 45 minutes for this test.

How Does a Pulmonary Stress Test Work?

You will start with breathing as long and hard as you can into a spirometer followed by immediate deep inhale. This allows us to obtain baseline measurements of your lung capacity. You will then be given a breathing treatment utilizing the medication, Albuterol via a nebulizer. Once the Albuterol treatment has been completed, there is a 15-20 minute waiting period to allow the medication to take effect. After 15-20 minutes, you will be given a second breathing test which consists of an additional 3 deep breaths followed by immediate inhalation.

How Do I Prepare for a Pulmonary Function Test?


  • Do not smoke for 24 hours prior to testing.
  • No breathing treatments 4 hours prior to testing.
  • Avoid eating a large meal 1 hour prior to testing.
  • Oxygen usage is allowed.
  • Bring your inhaler or breathing treatment with you to the appointment.

What Should I Bring to My Pulmonary Stress Test?

What to bring: Oxygen, if you use it. Breathing treatment, if you use it.

Schedule a Pulmonary Stress Test Today

If you are interested in learning more about our Cardiology services, please call us today at (480) 641-5400. CVAM is proud to serve Queen Creek, Mesa, Gilbert, Chandler, and the surrounding areas of Arizona. We look forward to hearing from you!

Download the PDF file below for a printed list of instructions on how to prepare for your Pulmonary Stress Test