Changes

Resmed and Philips machines both show snoring as a graph with the height of the trace indicating the intensity of the snoring. In addition, Philips machines show individual snores as events labeled VS1 and VS2 (vibratory snore 1 and 2). It is usually suggested that VS2 be turned off when presenting screenshots for discussion as the large number of events recorded can overwhelm other data on the charts.

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Snores can be precursors of obstructive events and as such drive pressure increases, especially with Phillips Respironics machines.