I go over the basics on pulmonary function tests from the perspective of a respiratory therapist and try to go over the most often times we encounter pft's in the field and what we do with the information we obtain from the tests.
source for graph:
Hamed, Zainab & Awni, Abdullah. (2019). Review on correlation of different risk factors and global initiative for chronic obstructive lung disease staging in chronic obstructive pulmonary disease patients in Baghdad: Retrospective study. Drug Invention Today. 11. 2601.
![](https://s2.save4k.ru/pic/IkkXSndhvAs/maxresdefault.jpg)