Philips M3500B manual Setting the Heart Rate Alarm, HR Alarm Limit Choices, Alarm If Over Or under

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Setting the Heart Rate Alarm

WARNING

WARNING

Setting the Heart Rate Alarm

The computed heart rate (number of detected QRS complexes per minute) is displayed below the +5￿$/$50 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.

Table 4-4 HR Alarm Limit Choices

Alarm If Over:	Or under:
100	30
140	60
160	90
200	120

To set a HR alarm, cycle through the limit choices by pressing +5￿$/$50 until

the desired limits are shown. The then appears next to the heart rate value to indicate that the HR alarm is set.

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.

Heart rate displays and alarms function with internal and external pacemakers, but they can be unreliable. Observe the patient closely if pacemakers are used.

4-6 Monitoring the ECG