Patient Monitor User Manual Monitoring ECG/ RESP
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WARNING
5 Place the electrode carefully and ensure a good contact. Check every day whether
there is skin irritation resulted from the ECG electrodes. If yes, replace electrodes
every 24 hours or change their sites.
6 Store the electrodes in room temperature. Open the electrode package immediately
prior to use. Never mix electrode types or brands. This may lead to problem due to
impedance difference. When applying the electrodes, avoid bones close to skin,
obvious layers of fat and major muscles. Muscle movement can result in electrical
interference. Applying electrodes on major muscles, for example on muscles of
thorax, may lead to erroneous arrhythmia alarm due to excessive muscle movement.
7 For patients with pacemakers, the pacing impulse analysis function must be switched
ON. Otherwise, the pacing impulse may be counted as regular QRS complexes,
which could prevent an asystole event from being detected. When changing settings
and admitting patients, please make sure the pace mode is always correct.
8 PACEMAKER PATIENTS—Rate meters may continue to count the pacemaker rate
during occurrences of cardiac arrest or some arrhythmias. Do not rely entirely upon
rate meter alarms. Keep pacemaker patients under close surveillance.
9 ECG accessories are not suitable for DIRECT CARDIAC APPLICATION (Refer to
IEC60601-1 for more information about the definition of DIRECT CARDIAC
APPLICATION).
10 Line isolation monitor transients may resemble actual cardiac waveforms and thus
inhibit heart rate alarms. When the electrode or lead is loose or fallen, the monitor is
easily affected by the transient response of certain types of insulation monitors. The
transient monitor signal produced by poor insulation of the line may be very similar to
the actual heart waveform, which will prevent the monitor from prompting a heart rate
alarm. In order to avoid this, user should check lead wires for damage and ensure
good skin contact prior to and during use. Always use fresh electrodes and follow
proper skin preparation techniques.
11 The monitor can only be used on one patient at a time. Monitoring more than one
patient simultaneously may result in hazards to the patient.
12 Pacemaker Failure: During a complete cardiac block or when pacemaker is unable to
pacing/capture, high P-wave (greater than 1/5 of the average height of the R-wave)
may be incorrectly counted by the monitor, which leads to a missing asystole.
13 To protect the monitor from damage during defibrillation, for accurate ECG
information and to protect against noise and other interference, use only ECG
electrodes and cables specified by the manufacturer.
14 External pacing electrodes: When using pacemakers with external pacing electrodes
on the patient, the quality of arrhythmia is severely degraded due to the high energy
level in the pacemaker pulse. This can cause arrhythmia algorithms can not detect
the pacemaker without capturing or asystole.
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