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Performing Pressure Volume Study

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  1. After completing the lung volume and spirometry testing, you will be asked to breathe normally on the mouthpiece
  2. The shutter will close. The shutter is closed for a second while you continue to breathe normally against the shutter
  3. The shutter will open and you will return to normal breathing
  4. You will then be asked to take a SLOW deep breath in until your are completely filled (TLC)
  5. The shutter will close and you will relax against it
  6. The shutter will then open and you will slowly sigh out a little air
  7. The shutter will close and you will again relax against it
  8. This will be repeated until you are empty
  9. You will then take a breath in and sit back off of the mouthpiece

Learn more about the pressure volume test.