EN - ENGLISH
USER INTERFACE SCREENS
Mean ICP Trend Screen
The ICP Trend Screen displays the historic mean ICP values over a period of time. Additionally, the Pressure Time Dose (PTD) is also
presented on this screen. PTD is a measure to quantify the burden and time spent above an ICP threshold. PTD represents the area
under the curve above a user-defined threshold within the displayed time frame (refer to Analysis Threshold Setup Screen section
for information on how to set the two available thresholds). For example, in the graphic below, the two thresholds selected are "22
mmHg" and "15 mmHg."
A
B
C
A
Trend / Boxplot button
Toggle between trend and boxplot view.
B
PTD Thresholds
Dashed lines represent PTD thresholds.
C
ICP Trend Scale Adjustment
Press the button to cycle through the available ICP
amplitude scales (0 to 30, 0 to 50, 0 to 100, 0 to
150, -50 to 50, -10 to 20).
D
Waveform Trend Arrow: Left
Press arrow to navigate trend data.
E
Data Markers
Icon marks the point in time special events
occurred. Refer to Using Data Markers section for
more information.
F
Trend Time Label
Time axis corresponding to the time the trend data
was acquired.
D
Figure 5: Mean ICP Trend Screen
E
F
G
H
G
Timescale unit of measure
Amount of time between two grid line divisions.
H
Waveform Trend Arrow: Right
Press arrow to navigate trend data.
I
Timescale button
Press the button to cycle through the available
time scales (3 hr, 12 hr, 24 hr, 48 hr, 6 days).
J
Trend Date Label
Time axis corresponding to the date the trend data
was acquired.
K
ICP Trend Stats
Section where the PTD calculations are displayed:
1. PTD = Pressure Time Dose (mmHg * hours)
2. (xx) = Pressure Threshold at which PTD is
calculated (mmHg).
10
K
J
I