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5 Ventilator settings
5.6.1 Sigh: Enabling/disabling the sigh function
Description: The sigh function delivers a sigh breath every
50 breaths, with a higher-than-normal pressure or volume.
In volume-controlled modes, sigh breaths have a tidal volume
50% higher than non-sigh breaths, up to a maximum of
2000 ml.
In pressure-controlled modes, sigh breaths are delivered at
a pressure up to 10 cmH2O higher than non-sigh breaths, as
permitted by the high Pressure alarm limit. During sigh breaths,
the high Pressure and Vt alarm limits remain active to help
protect the patient from excessive pressures and volumes.
Procedure: Enable or disable the sigh function as follows:
1. Open the
Additions -> Sigh
window.
Figure 5-7. Sigh window
2. Select or deselect the
Sigh
function.
3.
Close
the window.
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