Airways Impedance Testing By Fot

Airways Impedance Testing, also known as the Forced Oscillation Technique (FOT), is a modern, non-invasive test that measures how easily air flows through your lungs and airways.

During the test, you simply breathe normally into a mouthpiece while gentle sound waves are sent through your lungs. The machine analyzes how your airways respond, helping doctors detect asthma, COPD, or other breathing problems — even in their early stages.

The test is quick, safe, and does not require any effort like blowing hard, making it especially comfortable for children and elderly patients.

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