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Equipment Overview: Theory of Operation
Theory of Operation
CIC Pro Functional Description
The CIC Pro application is designed to provide real-time patient data and alarms for
central nurses’ stations in hospitals. It can display real-time waveforms and vital
sign data, with visual and audible alarms, for up to 16 patients simultaneously. CIC
Pro supports both hardwired and telemetry data.
CIC Pro software allows users to select any bed on the Unity Network MC network
and display an expanded view of that bed’s real-time parameters and waveforms.
This expanded view also allows users to view and modify settings within the care
unit, and view other patient data (including alarm histories, graphic trends and
tabular trends).
The user can configure the number of patients displayed by the system, and the
number of displayed waveforms per patient. Waveform colors are configurable.
All configuration data is stored, and is restored after a system power cycle or
software restart.
The CIC Pro is connected to the Unity Network MC network via Ethernet.
How Trends are Calculated
CIC Pros trend two types of physiological data: periodic and episodic.
Periodic Data
Periodic data is constantly updated. Data is sampled every two seconds to yield 30
samples per minute. The displayed value is the median of the 30 samples. It is
always the median of a one-minute time frame, regardless of the interval selected.
The interval is the time BETWEEN values, not the time of the value itself. For
example, a five minute interval means one minute samples spaced five minutes
apart, NOT five minute samples, and NOT a median of the five one minute samples.
Odd number values are rounded down to the nearest even number.
If the calibration of the system clock changes (for example, daylight savings time),
the “time” for periodic data “slides” into the revised time. However, episodic data is
time-stamped and retains its original time.
Examples of periodic data include heart rate (HR) and blood pressure (BP).
Episodic Data
Episodic data are events that are user, or system, generated. Examples of episodic
data include temperature (Temp) and non-invasive blood pressure (NiBP).
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CIC Pro Clinical Information Center
2001099-156
Revision C