Mindray Trio, Operating Instructions Manual

Page: 57 / 170

Parameter Menus Operations
2 - 28 0070-10-0666-01 Trio™ Operating Instructions
Excessive alarms:
Heart rate, lead
fault Electrodes dry Repeat skin preparation and apply
fresh, moist electrodes.
Alarm limits set too close to patient's
normal heart rate Readjust alarm limits.
R-wave wrong size Readjust the waveform size or
move ECG electrodes to optimize
R-wave.
Excessive patient movement or muscle
tremor Reposition electrodes and secure
with tape if necessary.
Low Amplitude
ECG Signal Gain set too low Readjust the ECG wave gain as
required. Refer to "ECG Lead, Size
and Filter Settings" on page 2-23
for instructions on adjusting the
wave gain setting.
Electrodes dry/old Apply fresh, moist electrodes.
Skin improperly prepped Abrade the skin and repeat skin
preparation.
This could be the patient's normal
QRS complex. Verify with a 12-lead electro-
cardiogram.
Electrode positioned over a bone or
muscle mass Reposition electrodes.
No ECG waveform Size not set properly Readjust the ECG wave gain as
required. Refer to "ECG Lead, Size
and Filter Settings" on page 2-23
for instructions on adjusting the
wave gain setting.
Lead wires and/or patient cable not
fully inserted into proper receptacle Check cables for proper connection
Cables or lead wires damaged Check with a continuity tester.
Base Line Wander Patient moving excessively. Secure lead wires and cable to
patient.
Patient respiration variance. Reposition electrodes
Electrodes dry or loose Repeat skin preparation and apply
fresh, moist electrodes.
MESSAGE/
PROBLEM REASON SOLUTION