The Respiratory System
  Diaphragm Movement
            From: Tidy’s Encyclopedia of Physiotherapy
    It’s Not About Oxygen
    It’s About Ventilation
      Air in CO2 Out
   A         t
   ir        u
    In      O
           2 
           O
          C
    Pulmonary Function Testing
              • “PFT”
              • “PFT”
              • Spirometry
              • Spirometry
               • FVC
               • FVC
               • FEV1
               • FEV1
               • FEV1/FVC
               • FEV1/FVC
              • 80-100% of 
              • 80-100% of 
               predicted 
               predicted 
               (Normal)
               (Normal)
    Pulmonary Function Testing
              • Breathing Help
              • Breathing Help
               • Usually required < 
               • Usually required < 
               50% predicted
               50% predicted
               • Not sole criteria
               • Not sole criteria
              • NIF/MIP
              • NIF/MIP
               • >60 cmH2O normal
               • >60 cmH2O normal
              • SNIF
              • SNIF
               • >40 cmH2O normal
               • >40 cmH2O normal
        Other Tests
 • Sleep Study
 • Sleep Study
 • Overnight oximetry 
 • Overnight oximetry 
 • Chest X-ray
 • Chest X-ray
 • Complete PFT
 • Complete PFT