11 Invasive Pressures Calibration
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Last Zero/Calibration
You can view dates and times for a channel’s last zero or mercury calibration through the HeartStart
MRx menu.
To view a channel’s last zero and mercury calibration dates, perform the following steps:
1 Press the Menu Select button.
2 Using the Navigation buttons, select Measurements/Alarms and press the Menu Select button.
3 Select the pressure label (channel: label) you want and press the Menu Select button.
4 The last zero and Mercury calibration dates and times are displayed.
NOTE The information listed for the last mercury calibration is the date and time of either calibrating at a
known pressure or entering the calibration factor manually.
Figure 63 Last Zero and Mercury Calibration Dates
Non-Physiological Artifact Suppression
Various clinical procedures (i.e. taking a blood sample) may affect invasive pressure readings. Your
HeartStart MRx can be configured to suppress alarms when artifact is detected for a specific length of
time. You can configure suppression lengths in Configuration Mode. Options are 30, 60 and 90
seconds or off. The default is 60 seconds. During suppression, the HeartStart MRx shows an INOP
message and ? next to the pressure label. Pressure alarms and Pressure Label Non-Pulsatile INOPs are
inactive during the suppressed period. The CPP high alarm is not suppressed.
Press 1: ABP
Last Zero 28 Nov 2005 09:05
Last Mercury Cal 28 Nov 2005 09:06
Exit
ABP Limits
Alarms Off
Calibration Factor
Calibration Pressure
Zero ABP
Label
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