The FeNO Test (Fractional exhaled Nitric Oxide test) is a simple yet powerful diagnostic tool used to assess airway inflammation, particularly in individuals with suspected or existing asthma. Nitric oxide is a natural gas produced by the body, and elevated levels in the breath often signal inflammation in the lungs. During the test, the patient exhales into a handheld device that measures the concentration of nitric oxide in parts per billion. It’s a quick, non-invasive procedure that takes only a few minutes but provides highly valuable data. Elevated FeNO levels indicate eosinophilic airway inflammation, which is commonly associated with allergic or steroid-responsive asthma. This makes the test especially helpful in diagnosing asthma in cases where traditional tests like spirometry may be inconclusive. For patients experiencing chronic cough, wheezing, or shortness of breath, a FeNO test offers critical insights into what’s truly happening in their airways. Understanding the exact level of inflammation helps guide a more accurate diagnosis and avoids unnecessary treatments. Most importantly, it aids in distinguishing asthma from other respiratory issues such as bronchitis or chronic obstructive pulmonary disease (COPD), which require different approaches. For precise diagnosis through the FeNo Test in Gurgaon Sector 50, consult Dr. Mayank Kapur and get clarity on your respiratory health today.
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