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4-12

LIFEPAK 15 Monitor/Defibrillator Operating Instructions

Monitoring the ECG

Troubleshooting Tips

If problems occur while monitoring the ECG, check Table 4-2 for aid in troubleshooting. For basic

troubleshooting problems, such as no power, see "General Troubleshooting Tips" on page 10-18.

Table 4-2 Troubleshooting Tips for ECG Monitoring

OBSERVATION POSSIBLE CAUSE CORRECTIVE ACTION

Any of these messages

displayed:

CONNECT ELECTRODES

CONNECT ECG LEADS

ECG LEADS OFF

XX LEADS OFF

Therapy electrodes not

connected

• Connect therapy electrode.

One or more ECG electrodes

disconnected

• Connect ECG electrode.

ECG cable is not connected to

monitor

• Connect ECG cable.

Poor electrode-skin contact • Reposition cable or lead wires to

prevent electrodes from pulling

away from patient.

• Secure trunk cable clasp to

patient’s clothing.

• Prepare skin and apply new

electrodes.

PACER was pressed. The

monitor automatically

switched to Lead II, but ECG

leads are not connected.

• Connect ECG leads and initiate

pacing.

Broken ECG cable lead wire • Select another lead.

• Select

PADDLES lead, and use

standard paddles or therapy

electrodes for ECG monitoring.

• Check ECG cable continuity.

Screen blank and

ON LED

illuminated

Screen not functioning

properly

• Print ECG on recorder as backup.

• Contact service personnel for

repair.

Systole beeps not heard or

do not occur with each

QRS complex

Volume too low • Adjust volume.

QRS amplitude too small to

detect

• Adjust ECG size.

Displayed heart rate (HR)

different than pulse rate

ECG size set too high or too

low

• Adjust ECG size

up or down.

Monitor detecting the patient’s

internal pacemaker pulses

• Change monitor lead to reduce

internal pacemaker pulse size.