If you were confused about the pulmonary function tests, spirometry, and flow volume loops, or if you need a refresher, my physiology video can be found here: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-1l1szmLfGR0.html
Awesome! For those wondering why LAMA is preferred over LABA for monotherapy (as per your final algorithm), its because Tiotropium (LAMA) was shown to have greater reductions in exacerbations and hospitalizations compared to Salmeterol (LABA) in the POET-COPD trial.