What is an exhaled nitric oxide test?

Advertisement
Advertisement
Paul M. Ehrlich, MD
Allergy & Immunology
The exhaled nitric oxide (eNO) test is a marker for inflammation in the lungs. A patient may not have asthma symptoms but still have elevated levels of inflammation, which can damage the lungs unless controlled. After the patient exhales into a portable device, the doctor can get an instant reading on the degree of inflammation.
Asthma Allergies Children: A Parent's Guide

More About this Book

Asthma Allergies Children: A Parent's Guide

Asthma and allergies are at epidemic proportions. It doesn't have to be that way. Two experienced pediatric allergists tell everything a conscientious parent needs to know about these conditions,...

Continue Learning about Diagnostic Procedures

Diagnostic Procedures

Diagnostic Procedures

Allergy tests, echocardiograms, biopsies, semen analysis and spinal taps are just a few of the medical diagnostic procedures that are performed on patients diagnose diseases and conditions. These classification procedures do not i...

nvolve x-ray imaging or a surgical procedure, but, involve taking measurements and samples of fluids, tissues and cells. Learn more about diagnostic procedures from our experts.
More

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.