Defibrillator/Monitor Operator’s Manual A - 7
A.5.2 ECG Specifications (from Defibrillation Electrodes)
Time to alarm for tachycardia Meets the requirements in Clause 201.7.9.2.9.101 b) 6) of IEC 60601-2-27.
Waveform
4ah - range:
4a - range:
4ad - range:
4bh - range:
4b - range:
4bd - range:
<11 s
<11 s
<11 s
<11 s
<11 s
<11 s
Arrhythmia Analysis Classifications Asystole, V-Fib/V-Tach, V-Tach, Vent. Brady, Extreme Tachy, Extreme Brady,
PVCs/min, PVC, Couplet, VT>2,Bigeminy, Trigeminy, R ON T, Brady, Tachy,
Missed Beat, PNP, PNC, Vent Rhythm, Multif. PVCs, Nonsus. Vtac, Pause, Irr.
Rhythm, A-Fib
Tall T-wave rejection capability When the test is performed based on Clause 201.12.1.101.17 of IEC 60601-2-
27, the heart rate meter will reject all 100 ms QRS complexes with less than
1.2 mV of amplitude, and T waves with T-wave interval of 180 ms and those
with Q-T interval of 350 ms.
Lead-off detection current Measuring electrode:
Drive electrode:
≤0.1 A
≤1 A
Baseline recovery time
<2.5 s (after defibrillation)
Response to irregular rhythm In compliance with the requirements in Clause 201.7.9.2.9.101 b) 4) of IEC
60601-2-27, the heart rate after 20 seconds of stabilization is displayed as
follows:
Ventricular bigeminy (3a): 80±1 bpm
Slow alternating ventricular bigeminy (3b): 60±1 bpm
Rapid alternating ventricular bigeminy (3c): 120±1 bpm
Bidirectional systoles (3d): 90±2 bpm
Patient connection paddles or multifunction electrode pads
ECG inputs pads/paddles
Gain 2.5 mm/mV (×0.25), 5 mm/mV (×0.5), 10 mm/mV (×1), 20 mm/mV (×2),
40mm/mV (×4), Auto. Error less than ± 5%
Sweep speed 6.25mm/s, 12.5 mm/s, 25 mm/s, 50 mm/s. Error no more than ± 5%
Bandwidth (-3dB) Therapy mode: 1 to 20 Hz
Common mode rejection Therapy mode: >105 dB
Notch filter 50/60Hz
In Therapy mode: notch filter turns on automatically
ECG signal range ±8mV (peak-to-peak value)
Calibration signal 1mV (peak-to-peak value) ±5%
Differential input impedance ≥5 M
Electrode offset potential tolerance ±1V
Defibrillation protection Enduring 5000V (360 J) charge without data loss or corruption
Baseline recovery time: <2.5 s (after defibrillation)
Polarization recovery time: <10 s
Defibrillation energy absorption: ≤10% (100 load)
ESU protection Cut mode:
Coagulate mode:
Recovery time:
300 W
100 W
≤10 s
In compliance with the requirements in clause 202.6.2.101 of IEC 60601-2-27
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