MPS450
Operators Manual
2-12
condition most commonly found in young children and the elderly).
The MPS450 simulates a sinus arrhythmia condition with normal beats triggered at an
irregular rate, from 60 to 100 BPM.
Action in the Menu-Control Mode
1.
Press the top-menu key labeled
ARRHY
.
2.
Select
SV
.
3.
Scroll to the LCD screen SINUS ARRHYTHMIA.
4.
Select
RUN
. The sinus-arrhythmia simulation runs continuously (repeats) until
another arrhythmia selection is made.
Alternatively, in the Numeric-Control Mode, press the number keys 015, and select
RUN.
Missed Beat
A single missing beat, with the heart rate returning to normal
.
Missed beats, often present in first-degree heart block, are symptomatic of other
conditions as well.
The MPS450 simulates a random missed beat occurring as a one-time event during an
otherwise normal heart rate of 80 BPM.
Action in the Menu-Control Mode
1.
Press the top-menu key labeled
ARRHY
.
2.
Select
SV
.
3.
Scroll to the LCD screen MISSED BEAT.
4.
Select
RUN
. On the LCD screen, RUN flashes to indicate that the missed-beat
simulation is running as a one-time event. When the simulation completes, the
command
INSRT
displays on the screen.
5.
To send another missed-beat simulation, select
INSRT
.
Alternatively, in the Numeric-Control Mode, press the number keys
016
, and select
RUN
. (To send another missed-beat simulation, select
RUN
again.)
Atrial Tachycardia (AT)
Normal rhythm at a faster-than-normal rate of 160 BPM
.
Atrial tachycardia occurs when an ectopic, atrial pacemaker (non-SA) fires repeatedly at
a rate between 150 and 250 BPM. AT may cause cardiac output to drop significantly (in
some cases by as much as 25 %), due to the inability of the ventricles to fill completely
during the typically short diastole. This condition may result from an atrioventricular
blockage or digitalis toxicity.
The MPS450 simulates AT at 160 BPM.
Action in the Menu-Control Mode
1.
Press the top-menu key labeled
ARRHY
.
2.
Select
SV
.
3.
Scroll to the LCD screen ATRIAL TACH.
4.
Select
RUN
. The atrial-tachycardia simulation runs continuously (repeats) until
another arrhythmia selection is made.
Alternatively, in the Numeric-Control Mode, press the number keys
017
, and select
Summary of Contents for Biomedical MPS450 Operators
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