Mindray BeneVision N17 - Page 150

11 - 28 BeneVision N Series Patient Monitor Operator’s Manual
Intermittent Signal 1. Check that cables are properly connected.
2. Check that electrodes are not detached or dry. Perform skin preparation
again as described in
11.4.1Preparing the Patient Skin and apply fresh and
moist electrodes.
3. Check that the patient cable or leadwires are not damaged. Change them
if necessary.
Excessive alarms: heart rate, lead fault 1. Check that electrodes are not dry. Perform skin preparation again and
re-place the electrodes. For more information, see
11.4.1Preparing the
Patient Skin
and 11.4.2Applying Electrodes.
2. Check for excessive patient movement or muscle tremor. Reposition the
electrodes. Replace with fresh and moist electrodes if necessary.
Low Amplitude ECG Signal 1. Check that the ECG gain is not set too low. Adjust the gain as required.
For more information, see
11.6Changing ECG Settings.
2. Perform skin preparation again and re-place the electrodes. For more
information, see
11.4.1Preparing the Patient Skin and 11.4.2Applying
Electrodes
.
3. Check electrode application sites. Avoid bone or muscular area.
4. Check that electrodes are not dry or used for a prolonged time. Replace
with fresh and moist electrodes if necessary.
No ECG Waveform 1. Check that the ECG gain is not set too low. Adjust the gain as required.
For more information, see
11.6.3Setting the Analysis Mode.
2. Check that the leadwires and patient cables are properly connected.
3. Change cable and lead wires.
4. Check that the patient cable or leadwires are not damaged. Change them
if necessary.
Base Line Wander 1. Check for excessive patient movement or muscle tremor. Secure
leadwires and cable.
2. Check that electrodes are not detached or dry and replace with fresh and
moist electrodes if necessary. For more information, see
11.4.1Preparing
the Patient Skin
and 11.4.2Applying Electrodes.
3. Check for ECG filter setting. Set ECG Filter mode to
Monitor to reduce
baseline wander on the display.
Problem Corrective Actions