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Demand Mode Versus Fixed Mode; Preparing For Pacing - Philips HeartStart XL Plus 861290 Instructions For Use Manual

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Demand Mode Versus Fixed Mode

Demand Mode Versus Fixed Mode
The HeartStart XL+ can deliver paced pulses in either Demand Mode or Fixed Mode.
In Demand Mode, the pacer only delivers synchronous paced pulses when the patient's heart rate is
lower than the selected pacing rate.
In Fixed Mode, the pacer delivers asynchronous paced pulses at the selected rate.
WARNING: Use Demand Mode pacing whenever possible. Use Fixed Mode pacing when artifact or other ECG noise
makes R-Wave detection unreliable, when monitoring electrodes are not available or at your clinical
The HeartStart XL+ requires a 3- or 5-Lead ECG cable and monitoring electrodes as the source of the
ECG during Demand Mode pacing. Pace pulses are delivered through multifunction electrode pads.
However, during Demand Mode pacing, the pads cannot be used to monitor ECG and deliver paced
pulses simultaneously.
NOTES: The ECG derived from pads does not need to be displayed in a wave sector in order to deliver pacing
When using the HeartStart XL+ for pacing in the Operating Room in the presence of cautery tools, use
Fixed Mode only.
When using Demand Mode, pads are not an available choice for display in Wave Sector 1, through either
the Lead Select button or the Displayed Waves menu.

Preparing for Pacing

To prepare for pacing:
If not already connected, connect the Therapy cable to the HeartStart XL+. See
Therapy Cable"
Prepare the patient's skin to achieve good contact. See
Connect the multifunction electrode pads. See
page 8.
If pacing in Demand Mode, apply monitoring electrodes (see
and connect the ECG cable to the HeartStart XL+ (see
WARNING: Do not reverse pad position on the patient. Reversing the pads' positions increases the pacing threshold
which means more current is needed to capture the heart, resulting in greater patient discomfort.
on page 7.
"Skin Preparation"
on page 44.
"Connecting Multifunction Electrode Pads"
"Electrode Placement"
"Connecting the ECG cable"
8: Pacing
"Connecting the
on page 45)
on page 9).


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