Product Manual

2036991-001C CARESCAPE V100 Vital Signs Monitor 8-3
Ohmeda TruSignal SpO2: Description
Description
The SpO
2
parameter in the V100 Monitor is available in three different leading
technologies: Ohmeda TruSignal, Nellcor and Masimo SET. Please refer to the
front of your monitor to see which SpO
2
technology your monitor contains. If
your monitor contains this parameter, the SpO
2
technology logo will be on the
front fascia of the monitor. This section refers to Ohmeda TruSignal SpO
2
technology.
TruSignal Enhanced SpO
2
TruSignal Enhanced SpO
2
offers improved performance, especially during
challenging conditions of clinical motion and low perfusion. With ultra-low-noise
technology, TruSignal selects the appropriate clinically developed algorithm to
compensate for weak or motion-induced signals and generate reliable
saturation readings.
The parameter automatically switches on when a sensor is connected to the
monitor.
Pulse rate derived from SpO
2
appears in the Pulse Rate window and updates
continuously. A tone sounds at a rate corresponding to the pulse rate and at a
pitch corresponding to the SpO
2
saturation level. The pitch is highest at 100%
oxygen saturation, and it continuously decreases as the saturation level falls.
The monitor displays a pulse amplitude bar. The pulse amplitude bar graph is
proportional to the arterial blood flow.
Audible and visible alarms occur when SpO
2
levels are outside the alarm limits.
When a parameter status alarm occurs, an alarm message code appears in the
SpO
2
window.
NOTE: Limit alarms, printing, and trending are not available for the first 10
seconds of SpO
2
monitoring.
PIr pulsatile value
The perfusion index measurement—the PIr pulsatile value—is a quick and easy-
to-use clinical tool that provides a dynamic numeric reflection of perfusion at the
sensor site. PIr is a relative value that varies from patient to patient.
The PIr pulsatile value indicates the strength of the pulse signal at the sensor
site—the higher the PIr value, the stronger the pulse signal. A strong pulse signal
increases the validity of SpO
2
and pulse rate data. Clinicians can use the PIr
value to compare the strength of the pulse signal at different sites on a patient in
order to locate the best site for the sensor-the site with the strongest pulse
signal.
TruSignal
®
is a trademark of GE Healthcare Finland Oy