Parameter Monitoring (Spirometry, A5 Only) Operations
5 - 26 046-003777-00 A5/A3â„¢ Operating Instructions
5.12 Parameter Monitoring (Spirometry, A5 Only)
Spirometry is a respiratory monitoring technology that provides continuous (breath-by-breath)
measurement of patient lung mechanics. The resultant pressure, volume, flow, compliance, and
resistance data enables quick assessment of the patient’s pulmonary status.
Open the Spirometry Loop Window by selecting the SPIROMETRY tab.
NOTE: Thespirometry and waveforms can be displayed on the same screen in
software bundle version 02.06.00 and later (see
section3.5 (page 3-14)
"Spirometry Tab (A5 Only)").
Currently plotting loop, reference loop, and baseline loop can be displayed in manual and
mechanical ventilation modes.
End the case will clear spirometry loops (baseline and reference loops).
NOTE: This will not occur when the Restore default settings box is unselected
(software bundle version 02.02.00 and later).
Restart the machine will clear spirometry loops (baseline and reference loops).
Spirometry is disabled in Bypass mode. If Bypass mode is entered when the Spirometry tab is
open, then the system will switch to the Waveforms tab.
Pressure - Volume Spirometry Loop
FIGURE 5-29 is an example of the Pressure - Volume loop.
FIGURE 5-29 Pressure - Volume Loop
The Y-axis of the Pressure - Volume Spirometry loop represents Volume. The X-axis is labeled
Paw (which represents Airway Pressure).
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