Treatment screen parameters
Parameter |
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| Modes |
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| Description | |
| CPAP | AutoSet | VAuto | S | ST | T | PAC | iVAPS | ASV | ASVAuto |
Leak | ü ü ü ü ü ü ü ü ü | ü Estimate of the total rate of | ||||||||
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| air escaping due to mouth and |
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| unintentional mask leaks, expressed in |
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| L/min |
Minute Ventilation (MV) | ü ü ü ü ü ü ü ü ü | ü Volume of air breathed in, or out within | ||||||||
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| any |
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| L/min |
Target Minute |
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| ü | ü Minute ventilation the device is |
Ventilation (TgMv) |
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| attempting to achieve. Pressure support |
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| increases if the minute ventilation falls |
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| below the target,and decreases if it |
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| goes above the target. |
Respiratory rate (RR) | ü ü ü ü ü ü ü ü ü | ü Frequency of breathing, expressed | ||||||||
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| as the number of breaths per minute |
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Tidal volume (Vt) | ü ü ü ü ü ü ü ü ü | ü Volume of air inspired or expired in one | ||||||||
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| respiratory cycle (breath), expressed in |
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| mL |
Pressure support (PS) |
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| ü ü ü ü ü ü ü | ü Difference between IPAP and EPAP. | ||||||
Alveolar minute |
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| Minute volume without dead space, |
ventilation (Va) |
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| expressed in L/min. |
Target alveloar |
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| Target alveolar minute ventilation that |
ventilation (TgVa) |
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| determines the amount of pressure |
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| support required, expressed in |
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| L/min. |
Ti |
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| ü ü ü ü ü ü ü | ü Duration of inspiration (ie, the | ||||||
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| respiratory flow into the lungs), |
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| expressed in seconds |
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| average). |
I:E | ü ü ü ü ü ü ü ü |
| Inspiration to expiration ratio measured | |||||||
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| by the device |
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| average). |
Ti Max |
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| Maximum inspiration time in seconds | ||
Ti Min |
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| Minimum inspiration time in seconds. | ||
% Spontaneous |
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| Percentage of breaths that are | |||
Triggering or Cycling |
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| spontaneously triggered or cycled |
(%Spont Trig or |
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| (average of the last 20 breaths). |
%Spont Cyc) |
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| In PAC mode, there is no spontaneous |
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| cycling. |
Trigger/Cycle indicators |
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| Indicates a patient or device | |||||
(Timed, Ti Max or |
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| triggered/cycled breath. In ST mode, |
Ti Min) |
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| Timed indicator is left blank if it is a |
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| spontaneous breath. |
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