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. Author manuscript; available in PMC: 2014 Jun 1.
Published in final edited form as: J Sleep Res. 2013 Jan 31;22(3):356–362. doi: 10.1111/jsr.12023

Figure 3.

Figure 3

Segments of the load cell breathing signal from a single patient illustrating the scoring of respiratory events using the load cell trace. (Upper) A scored hypopnea showing a slight reduction in the excursion of the load cell signal. (Middle) A scored obstructive apnea showing a major reduction in the excursion of the load cells signal. However, some LC excursion appears to still be present suggesting breathing effort may still exist. (Lower) A scored central apnea showing a complete absence of excursion in the load cell signal.