BSL Lesson 12 update – 3.7.1 – 11.03.2005

Version:

Manual Revision 3.7.1 - 11.03.2005

Description:

The Lesson 12 procedure was changed based on feedback from instructors. BSL 3.7.1-Windows (with journal date 10/27/2005) and BSL 3.7.1-Mac incorporate an updated breathing procedure and new analysis instructions to help students obtain accurate Tidal Volume values.

The onscreen guide now instructs the Subject to breathe normally for five cycles, inhale deeply, exhale completely, and then return to normal breathing. The analysis instructions and data report for the Lesson Manual were updated accordingly.

• OLD OVERVIEW: This recording shows normal breathing for 3 breaths, full inhale, return to normal breathing, full exhale, then a return to normal breathing.
  
• REVISED TO: This recording shows normal breathing for 5 breaths, full inhale, full exhale, then a return to normal breathing.

  Segment 1 Guide:

• OLD: After the recording begins, Subject will do the following: Breathe normally for 3 breaths, then inhale as deeply as possible, then return to normal breathing for 3 breaths. Next, breathe out completely, then normally for 3 breaths. Recorder should click on the 'Stop' button when Subject is finished.
  
• REVISED TO: After the recording begins, Subject will do the following: Breathe normally for 5 breaths, then inhale as deeply as possible, then breathe out completely, then breath normally for 5 breaths. Recorder should click on the 'Stop' button when Subject is finished.
  Segment 2 Guide:
  OLD: Subject will breathe normally for 3 breaths, then inhale as deeply as possible, then return to normal breathing for 3 breaths. Next, Subject will exhale completely, then breathe normally for 3 breaths. Keep the Airflow transducer upright at all times. When Subject is finished, Recorder should click on 'Stop.'
  
• REVISED TO: Subject will breathe normally for 5 breaths, then inhale as deeply as possible, then exhale completely, then breathe normally for 5 breaths. Keep the Airflow transducer upright at all times. When Subject is finished, Recorder should click on 'Stop.'
  Analysis
  Analysis revised to match recorded data.
  
• Fig. 12.2 in the Introduction was updated

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