If you have an FOT report in front of you, the numbers may not mean much at first glance. What do R5, R20, R5–R20, X5, AX and Fres actually tell you? Each measurement looks at a different part of the...

Did you or someone in your family recently undergo an FOT test? If you are now looking at the report, you may be wondering what all those numbers and terms actually mean. Values related to respiratory impedance, resistance, and reactance...

Spirometry is an important part of lung-function testing. But what happens when your patient cannot perform it reliably? You may be seeing a young child who is struggling with the breathing technique. You may have an older person as a...

What if a lung function test could tell you more about how the respiratory system responds without asking you to take a deep breath and forcefully blow out? That is the idea behind Forced Oscillation Technique (FOT).  Instead of relying...

Setting up or upgrading a respiratory diagnostic desk comes with a lot of critical decisions, but one question usually sits right at the top of the list: “Which equipment do I actually need, and how much is it going to...

India carries 43.3% of Asia’s chronic respiratory disease burden, according to a 2026 analysis published in The Lancet Respiratory Medicine. The scale of this burden makes reliable and practical lung function assessment increasingly important across Indian respiratory clinics. Spirometry has...