Physio Control LIFEPAK 15, Руководство по эксплуатации

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Chapter 5 | Therapy
©2007-2015 Physio-Control, Inc. LIFEPAK 15 Monitor/Defibrillator Operating Instructions
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ECG SIZE is set too low to detect the patient’s beats, or if an ECG lead becomes detached so
that the ECG rhythm is not present, the pacemaker generates pacing pulses asynchronously.
This means that the pacemaker generates pacing pulses at the selected rate regardless of the
patient’s ECG rhythm.
Nondemand mode can be selected if noise or artifact interferes with proper sensing of QRS
complexes. Press
OPTIONS
to access nondemand mode. For more information, see Options (on
page 41).
Noninvasive Pacing Procedure
ECG monitoring during pacing is performed with the ECG electrodes and patient ECG cable.
Therapy electrodes are not capable of monitoring ECG and delivering pacing current at the
same time.
Be sure to place the QUIK-COMBO therapy electrodes in the proper locations. Improper
placement of the electrodes may make a difference in the capture threshold. For example, if the
electrode placement is reversed, more pacing current may be needed to achieve capture.
Possible Interruption of Therapy
Observe the patient continuously while the pacemaker
is in use. Patient response to pacing therapy (for
example, capture threshold) may change over time.
To perform noninvasive pacing:
1. Press
ON
.
2. Connect the patient ECG cable, apply ECG electrodes to the ECG cable and patient, and
select Lead
I
,
II
, or
III
. To receive the best monitoring signal, make sure there is adequate
space between the ECG electrodes and the therapy electrodes.
3. Identify the QUIK-COMBO therapy electrode sites on the patient. Use either the anterior-
lateral or anterior-posterior position and prepare the patient’s skin. (See Therapy Electrode
and Standard Paddle Placement (on page 116).)
4. Apply therapy electrodes to the patient.
5. Connect the therapy electrodes to the therapy cable.
6. Press
PACER
.
Possible Ineffective Pacing
The ECG size must be properly adjusted so that the
patient’s own beats are detected. If ECG size is set
too high or too low, pacing pulses may not be
delivered when required. Adjust ECG size so that
sense markers are placed on the patient’s QRS
complexes.