Overview
What is this test for?
Pulmonary function testing measures breathing volumes, flows and capacities to show how the lungs are working.
When may this test be recommended?
- shortness of breath
- chronic cough
- wheezing
- known or suspected asthma
- follow-up of respiratory disease
- assessment before selected treatment or surgery
Key points
Concrete guidance to understand the service
- Spirometry measures how much air is exhaled and how quickly.
- Results depend on correct effort and are interpreted using age, height and clinical context.
What this test can help with
Measure breathing capacity
Identify a ventilatory disorder
Monitor changes in respiratory disease
Assess response to treatment
This information is general and does not replace a medical consultation. A healthcare professional will determine the assessment or test suited to your situation.

