Welch Allyn Connex ECG Module Directions For Use Manual page 36

32 Specifications
Characteristic
Software and alarm specifications
Characteristic
Ventricular tachycardia threshold default
Variable ventricular tachycardia settings
Asystole threshold default
Ventricular fibrillation threshold default
Configurable mains filter
Data stream bytes output
Heart rate averaging method per IEC
60601-2-27:2011 Clause 201.7.9.2.9.101
Response to change in Heart rate per IEC
60601-2- 27:2011 Clause 201.7.9.2.9.101
Protection against defibrillation
Defibrillation protection per EN60601-2-27:2011. ECG device will resume according to
the table below.
Parameter
HR value
ECG waveform
Respiration value
Pacer detect
Arrhythmia
Specification
Noise suppression – DC current of 200nA max for RL
Specification
120 beats per minute ±3 beats per minute for 6 consecutive beats
100 beats per minute to 150 beats per minute ±3 beats per minute for 6
consecutive beats
No detectable beat for ≥4 seconds
A fibrillatory waveform persisting for ≥4 seconds
ON or OFF; 50 Hz or 60 Hz
Maximum latency <100 ms
Number of consecutively detected beats:
>10: Heart rate = 60/(average of last 10 detected consecutive R-R
intervals)
>2 and <10 : Heart rate = 60/(average of the detected consecutive R-R
intervals)
Increasing from 80 to 120 beats/minute: 6.0 sec
Decreasing from 80 to 40 beats/minute: 16.0 sec
Initial report after Maximum time to
defibrillation recover
Acquiring 3 sec +5 beats
Waveform ≤5 sec
Acquiring 3 sec +5 breaths
Pacer marker in waveform ≤5 sec
Acquiring or 5 sec +5 beats
Cannot analyze
®
Welch Allyn Connex Devices ECG Module
Note
Depends on patient heart
rate
Depends on patient
respiration rate
Depends on patient heart
rate