Loops; Reference Curve Displays; Single Stroke Displays; Zoom Loops (Optional) - Dräger Evita 4 Instructions For Use Manual

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Loops

Touch the »Loops« screen key.
»Loop« display:
Two pairs of measured values plotted against each other
appear in the ventilation cycle as a loop, e.g. the Paw-V
loop and the V-Flow loop.
To select another preset pair of measured values as a
loop:
Touch the »
« screen key in the Loop display.

Reference curve displays

To display the recorded loop of a particular breathing
cycle as a permanent on-screen reference for the current
loop:
Date and time of the reference are displayed on the
screen.
Press the »Reference« screen key.
The date and time of the reference curve appear below
the »Reference« screen key (available as upgrade).

Single stroke displays

To display an individual breathing cycle in ventilation
modes that have both mechanical and spontaneous
components, e.g. SIMV:
Press the »Single stroke« screen key.
If no single stroke is selected for display, the entire
breathing activity from mandatory stroke to mandatory
stroke will be recorded.
Zoom loops (available as upgrade)
The right-hand loop can be zoomed to fill the full screen
including the graphic areas at the top and bottom.
Touch the »Zoom« screen key.
Display »Loops«.
The right-hand loop is zoomed and the other loop
disappears with the time-based curves.
The loop to be displayed can be selected even when
zoomed.
The functions »Reference« and »Single stroke« are
retained.
Operation
Displaying Curves and Measured Values
Page 83

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