Spirometry can show whether you have:
This test shows the size of your lungs. Abnormal test results may show that you have pulmonary fibrosis or a stiff and/or weak chest wall.
This test can show a problem with oxygen moving from your lungs into your bloodstream. This may be a sign of loss of lung tissue, emphysema (a type of COPD), or problems with blood flow through the body's arteries.
Pulse oximetry and arterial blood gas tests measure the oxygen level in your blood. These tests show how well your lungs are taking in oxygen and moving it into the bloodstream. A low level of oxygen in the blood may be a sign of a lung or heart disorder.
Clinical trials are research studies that explore whether a medical strategy, treatment, or device is safe and effective for humans. To find clinical trials that are currently underway for Lung Function Tests, visit www.clinicaltrials.gov.
The NHLBI updates Health Topics articles on a biennial cycle based on a thorough review of research findings and new literature. The articles also are updated as needed if important new research is published. The date on each Health Topics article reflects when the content was originally posted or last revised.