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unit. Readings may be inaccurate for a short me aer or during using debrillator or electro-surgical unit.
Transient caused by cable circuitry blocks while monitoring may cause arfact on ECG signals yielding wrong heart
rate reading and even triggering false alarm. If the electrodes and cable are located in proper places according to
this manual’s instrucons for using electrodes, the chance of this transient occurrence will be decreased.
ECG cable and/or lead wires may be damaged while using debrillator. If the cable and/or lead wires are used
again, please do the funconal check rstly.
When the monitor is inoperable due to overload of ECG signal or saturaon of any part of the amplier, it will
prompt “Lead(s) o” to remind the operator.
The user should ensure that no predictable hazard will be caused by the summaon of leakage currents when
several items of monitor are interconnected.
When plugging or unplugging the ECG cable, be sure to hold the head of the connector and pull it out.
7.3 Preparing to Monitor ECG
7.3.1 Preparing the Paent and Device
1. Skin preparaon
The quality of ECG waveform displayed on the monitor is a direct result of the quality of the electrical signal received at
the electrode. Proper skin preparaon is necessary for good signal quality at the electrode. A good signal at the electrode
provides the monitor with valid informaon for processing the ECG data. To ensure enough electrolyte material on the
skin of paents, you need to moisten the measuring sites with 70% isopropyl Ethanol. This will usually be sucient for
ECG monitoring for a short me (30 to 60 minutes).
2. Connect the cable to the connector marked with the “ECG” icon on the signal input panel.
3. Place the electrode to the paent according to Secon 7.3.2.
4. Aach the ECG lead wires to the electrode
5. Make sure the monitor is turned on and is ready for monitoring.
6. Aer starng the monitor, if the electrodes become loose or disconnected during monitoring, the system will display
“LEAD OFF” on the screen to alarm the operator.
It might not display ECG waveform when using ECG cable with 3 lead wires while the seng of “Cable” is set as “5”
in the ECG parameter setup menu. Only single channel of ECG signal can be obtained while using 3 lead wires and
the “Cable” is set as “3”, this ECG signal can be selected between Lead I, Lead II and Lead III.
In order to obtain other Leads of the ECG signals, such as aVL, aVR, aVF and V, the ECG cable with 5 lead wires should
be used and the “Cable” should be set to “5”. At this situaon, 7 Leads of ECG signal (lead I, II, III, aVL, aVR, aVF, V)
can be obtained and displayed simultaneously.
Note: If any side-eect such as allergic or itchy reacon is found, remove the electrodes from the paents immediately.
The symbol indicates that the cable and accessories are designed as the “CF” type level for protecon against
electric shocks and with debrillaon-proof capability.
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