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31Respiratory Loops
Using a Spirometry module or a VueLink/IntelliBridge module connected to a ventilator, you can
measure and store graphic representations of realtime respiratory loops. Respiratory loops can help
you recognize changes in your patient's lung function, and they can also indicate a fault in the airway
tubing (for example, if the respiratory loop does not close).
You can measure:
• Pressure-volume loops
• Pressure-flow loops
• Volume-flow loops.
Note that you cannot store loops from different patients and different source devices in the same list
as they are patient and device specific. This prevents you from inadvertently comparing information
from different patients.
Viewing Loops
In the loops display, the current loop is drawn in white, and up to six stored loops are color-coded to
match their timestamps. The currently-used source device is shown in the window title.
To view respiratory loops permanently on your Screen,
• select the current Screen name to open the
Change Screen menu, then select a Screen configured
to display the loops screen element.
Select the loops screen element to access the loops pop-up keys.