Philips HEARTSTART XLT M3500B - Manual (Page 58)

Setting the Heart Rate Alarm
4-6 Monitoring the ECG
Setting the Heart Rate Alarm
The computed heart rate (number of detected QRS complexes per minute) is
displayed below the sofkey, next to the . The heart rate represents
the number of QRS complexes detected in a minute. A QRS beeper, if config-
ured to on, indicates each QRS complex detected.
If desired, a HR alarm may be set to alert you when the heart rate is outside
the specified limits. Limit choices are listed in Table 4-4.
To set a HR alarm, cycle through the limit choices by pressing until
the desired limits are shown. The then appears next to the heart rate value
to indicate that the HR alarm is set.
WARNING Heart rate alarms are temporarily suspended in AED Mode during ECG analysis or
when is pressed (for the duration of the paused period). Heart rate alarms are
also suspended while charging for defibrillation and delivering a shock.
WARNING Heart rate displays and alarms function with internal and external pacemakers, but
they can be unreliable. Observe the patient closely if pacemakers are used.
Table 4-4 HR Alarm Limit Choices
Alarm If Over: Or under:
100 30
140 60
160 90
200 120
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