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Measuring and Displaying Parameters
12-6 Specifications
Respiration
Pacemaker pulse
rejection.
3.1.4.1,
3.1.4.2
With the exceptions noted below, the monitor will reject all single and
double pacemaker pulses either 150 or 250 msec apart of amplitudes ±2 to
±700 mV from 0.1 to 2.0 msec, with and without under/overshoot.
Following are pacer pulse conditions that the monitor will reject, but which
are less than the maximum range listed in the standard:
Pacer pulse width = 2 msec,
Double pulse, either 150 or 250
msec apart without over/
undershoot, no QRS
Pacer amplitude <= ±400 mV
Pacer pulse width = 2 msec, Double
pulse either 150 or 250 msec apart,
without over/undershoot,
ineffective pacer
Pacer amplitude <=±500 mV
Pacer pulse width = 2 msec, Single
or Double pulse either 150 or 250
msec apart, with 2 mV over/
undershoot, no QRS.
Pacer amplitude <=±125 mV
Pacer pulse width = 2 msec, 250
msec spaced double pulse, with 2
mV over/undershoot, effective
pacing.
Pacer amplitude <=±300 mV
Pacer pulse width = 2 msec, 150
msec spaced double pulse, with 2
mV over/undershoot, ineffective
pace.
Pacer amplitude <=±220 mV
Pacer pulse width = 2 msec, 250
msec spaced double pulse, with 2
mV over/undershoot, ineffective
pace.
Pacer amplitude <=±120 mV
Standards
Parameter Specification
Technique Trans-thoracic impedance
Range 3 to 150 breaths/min
Accuracy ± 3 breaths/min
Leads RA to LA
Display Sweep Speeds 6.25, 12.5, 25 mm/s
Lead Off Condition detected and displayed