Welch Allyn 300 Series Vital Signs Monitor - User Manual - Manual (Page 53)

Directions for Use Chapter 4 Alarms and alerts 49
Alarm indicators
The monitor alarm indicators are as follows:
Setting alarms
During patient monitoring, an alarm occurs when a measurement falls outside the
programmed alarm limit. Alarms can be set or turned off for the following vital signs:
• Systolic high and systolic low
• Diastolic high and diastolic low
• Pulse rate high and pulse rate low
• SpO
2
high and SpO
2
low
• MAP high and MAP low
Event Audible indicator Visual indicator
Patient alarm Three short tones in quick succession, followed
by a short silence, and then two short tones in
quick succession, followed by a long silence;
repeated until action is taken. Flashing display of the violating value.
For a MAP violation, the monitor
repeatedly flashes the MAP numerics in
the message display.
Equipment alert,
nonrecoverable Three short tones in quick succession, followed
by a short silence, and then two short tones in
quick succession, followed by a long silence;
repeated for one minute or until power is
shut off. Flashing display of the violating value for
one minute or until power is shut off.
Error Two short tones Continuous display of the error code in the
appropriate window.
Equipment alert,
recoverable, NIBP Two short tones Continuous display of the error code in the
appropriate window.
Equipment alert,
recoverable, SpO
2
,
after valid reading
Two short tones Flashing display of the last SpO
2
and Pulse
Rate, followed in some cases by a Patient
Alarm tone.
Caution Users should check for audible alarm function every time the VSM 300
is used. During the normal power-up cycle, two audible tones are emitted
immediately after the self-test is complete. If these tones do not sound, the audio
has failed. Remove the device from service and contact Welch Allyn.
The loss of the audible alarm could cause a delay in a clinician learning of an alarm
condition for the following conditions: 1) hypotension or hypertension, 2) low
blood oxygen content (SpO
2
), 3) low or high pulse rate, 4) other alarm conditions
relating to the loss of monitoring of a patient (e.g., a “sensor off” condition). Such
delay could potentially result in injury to the patient.