Section 5 - Operation
Monitoring System
As trending proceeds past one hour, the trend display adjusts the time
scale as follows: When the graph fills up with trend data, the trend dis-
play creates a new time scale that carries over only the most recent 50
minutes of data from the previous graph. The other 10 minutes of trend
data is erased from memory.
NOTE: The Noninvasive Blood Pressure (NIBP) trend appears as
a vertical bar on the display screen. The top and bottom of
the bar represent systolic and diastolic pressure
respectively, and the unshaded gap in the bar represents
the mean blood pressure.
The CO
2
trend appears as a shaded area on the screen
showing the CO
2
envelope, with the top of the area
representing end-tidal CO
2
and the bottom representing
inspiratory CO
2
.
For more information about specific trend graphs, see the following
sections: “Oxygen Monitoring,”“Respiratory Volume Monitoring,” and
“Breathing Pressure Monitoring.”
Working with
Numerical Data
The NARKOMED displays the following numerical information from all
monitors on the right-hand display screen:
• Current time
• Oxygen concentration delivered to patient (% Oxygen)
• Breathing Pressure Measurements:
– PEEP
– Mean
– PEAK
• Respiratory Volume Measurements:
– Tidal Volume (TID VOL)
– Breathing Rate in Breaths per Minute (BPM)
– Minute Volume (MIN VOL)
Small numbers that appear to the right of the measured variables are
alarm limits. If the space reserved for a variable’s measurement is
blank, that variable’s monitor is not supplying information.
Keys grouped to the right of the data display control various monitor
functions. The individual monitor sections that follow explain these
controls and their interaction with the data display.
5-9-10
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