Surveyor Central
5-2
Input impedance:
47M
Electrodes:
Compatible with ANSII/AAMI EC12
Defibrillator protection:
Only when used with Mortara Instrument ECG cables
Beat detection:
Sensitivity 99.90%, positive predictivity 99.88% (AHA/MIT data base)
Beat recognition:
Normal, ventricular, paced, unknown
Heart rate measurement:
Range: 30 – 300 bpm; Resolution: 1 bpm
Measurement error (RMS) as measured according to ANSI/AAMI EC57: 2.8% AHA
database, 1.7% MIT database
ST level measurement:
Range: -2500 – 2500
V (-25 – 25 mm)
Resolution: 10
V (0.1 mm)
Measurement error: Mean 6
V, Standard Deviation 60
V as measured according to
ANSI/AAMI EC57 on the ESC-ST database
Number Alarms level:
4 (high, medium, low, and information only)
Visual alarm presentation:
Color-coded text message by priority (red, yellow, cyan, white)
Blinking, for active alarm
Stationary when alarm condition still present but silenced by operator
Audible alarm presentation:
Internal speaker 5 volume settings between 60 and 87 dBA
SpO
2
(optional - requires T12S)
Pulse Oximetry Transmitted:
(optional)
Plethysmographic waveform, oxygen saturation percent (SpO
2
%), pulse rate, and probe
status spot check during hookup; continuous acquisition and transmission during
monitoring
SpO
2
% Accuracy**:
70% - 100% SpO
2
: E
RMS
= + 2.2%
SpO
2
Pulse Rate Accuracy**:
45 – 210 BPM: E
RMS
= + 2%
SpO
2
Measurement wavelength:
Red:
660nm at 3.5 to 4.5 mW nominal
Infrared:
905nm at 3.5 to 4.5 mW nominal
** Verified by clinical tests where measured values of the sensors were compared with
arterial CO-oximetry in adult subjects over the specified SpO
2
range. Because pulse
oximeter equipment measurements are statistically distributed, only about two-thirds of
pulse oximeter equipment measurements can be expected to fall within the E
RMS
of the
value measured by a CO-oximeter.
Alarm Groups
Electrocardiogram:
Arrest: ........................ High priority, limits 2-8 seconds
VFIB: ......................... High priority
Bradycardia: .............. High priority, low HR – 20 bpm
Low Heart Rate: ........ Medium priority, limit 20-100 bpm
High heart rate ........... Medium priority, limit 50-250 bpm
Tachycardia: .............. High priority, high heart rate + 50 bpm
Ventricular Tachycardia:
VTACH ..................... Medium/high priority (user selectable),
3 – 20 beat run length (user selectable),
100 – 200 beats/min (user selectable)
Sustained VTACH: .... High priority, > 30 second duration
ST Change:
ST Increase .................... Medium priority
ST Decrease ................... Medium priority
User-selectable limits 100-900µV (1 – 9 mm) change
User-selectable ST delay, post J-point (0-200 ms)
Extended Arrhythmias:
(optional)
Medium, low, or information only/On or Off (user selectable)
Trigeminy, Bigeminy, High Ectopic Rate, R-on-T Rate, Multifocal Ectopics, Couplet,
High Couplet Rate, Ventricular Run, Ventricular Rhythm, Dominant Rhythm Change,
Summary of Contents for Surveyor Central 3.x
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