Cardiac stimulator 4427 Easypace - Instructions for use
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The stimulus emission is signalled by a blinking of the red LED PACE, and takes place
only if the set amplitude is other than 0 mA. The efficacy of the stimulation can be
checked by using a normal monitor for ECG signals. In case the stimulation has no effect,
increase the stimulus amplitude or check for the correct positioning of the electrode.
As under all the other stimulation modes, 20 seconds after no key has been pressed the
display goes off to prolong the life of the batteries but the stimulation at the set rate can
still be monitored by the blinking of the LED PACE. Pressing any key will cause the
display to be on again.
BURST - The burst function, which is activated by pressing at the same time V00 + burst
x4, is selected for generating an asynchronous stimulation
at a rate four times the set one and which lasts as long as
this keys is pressed.
The display appears as shown in the figure on the left (in
case of a set rate of 72 ppm).
Releasing the burst x4 or V00 key, causes the stimulation to return to the previous rate
values.
DECREASING RAMP - The decreasing ramp function, which is activated by pressing
V00 + ramp ▼ at the same time, is selected for
generating an asynchronous stimulation at a rate which
decreases starting from a value four times the set one. The
8 ppm decrement of the stimulation rate is 8 ppm after
every stimulus and the actual value, updated all the time, is
indicated on the display (which, in the illustrated example, refers to a set rate of 72 ppm
with updated value after 2 stimuli - at 288 and 280 ppm).
The ramp terminates at the originally set rate and the stimulation goes on at such rate.
Again, with the release of the ramp ▼ or V00 key, the stimulation is resumed at the
previous rate values.
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