Selecting Pulse as the active alarm source for HR/Pulse switches off the arrhythmia alarms listed in the
section "ECG and Arrhythmia Alarm Overview" on page 124, including Asystole, Vfib and Vtach
alarms, and the heart rate alarms. This is indicated by the message
has been configured off for your monitor), and the crossed-out alarm symbol beside the ECG heart
rate numeric. The message
(medium severity) INOP after a fixed number of hours.
High and low pulse rate and extreme bradycardia and extreme tachycardia alarms from pulse are active.
Alarm Source Selection Disabled
If you cannot change the alarm source, selection of the alarm source may be disabled. If you try to
change the source, the monitor displays the message
Changing HR/Pulse Alarm Limits
As Pulse and HR share the same high and low alarm limits, if you change the alarm limit in the
menu, the high or low alarm limits for HR in the
vice versa. The only exceptions are caused by a low limit clamp for each measurement: the lowest value
for Pulse when derived from SpO
Extreme Alarm Limits
The extreme rate alarms,
alarm source, either HR or Pulse, are set in Configuration Mode by adding a set value to the high and
low alarm limits. You need to know what value has been configured for your monitor. Changing the
high and low alarm limits automatically changes the extreme alarm limits within the allowed range.
To see the values added to the high and low limit alarms to create the extreme rate alarms for your
monitor, in the
The active alarm source is also used as a source for the QRS tone. You can change the tone volume in
The audible QRS tone might be influenced by external interference and is not intended to be used as a
substitute for ECG based arrhythmia analysis.
If arrhythmia detection is needed, do not rely on the audible QRS tone.
ECG/ARRH ALARM OFF
. This setting can only be changed in Configuration Mode.
is 30 bpm; from HR 15 bpm, and from Pressure 25 bpm.
*** EXTREME TACHY
menu, see the menu items
menus and the QRS tone modulation in the
6 Monitoring Pulse Rate
ECG/ARRH ALARM OFF
can be configured off, or to switch to a yellow
To activate enter Config and enable Alarm
menu change automatically, and
*** EXTREME BRADY
, generated by the active