Chapter 5
| Therapy
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LIFEPAK 15 Monitor/Defibrillator Operating Instructions
135
10.
Press the (shock) button on the defibrillator or the (shock) buttons on the standard
paddles to discharge energy to the patient. For standard paddles, apply firm pressure with
both paddles to the patient’s chest, and press both paddle buttons simultaneously to
discharge energy to the patient. For safety reasons, the (shock) button on the defibrillator
front panel is disabled when using standard paddles.
Note:
To disarm (cancel the charge), press the
SPEED DIAL
. The defibrillator disarms
automatically if shock buttons are not pressed within 60 seconds, or if you change the
energy selection after charging begins.
Note:
To interrupt defibrillation and initiate pacing, press
PACER
. If charged, the defibrillator
disarms.
11.
Start CPR according to your protocol. To activate the metronome, press
CPR
at any time.
12.
At the end of your CPR period, observe the patient and the ECG rhythm. If an additional
shock is necessary, repeat the procedure beginning at Step 6.
Successful resuscitation is related to the length of time between the onset of a heart rhythm that
does not circulate blood (ventricular fibrillation, pulseless ventricular tachycardia) and
defibrillation. The physiological state of the patient may affect the likelihood of successful
defibrillation. Thus, failure to resuscitate a patient is not a reliable indicator of defibrillator
performance. Patients often exhibit a muscular response (such as jumping or twitching) during
an energy transfer. The absence of such a response is not a reliable indicator of actual energy
delivery or device performance.
Using the CPR Metronome
When CPR is required during cardiac arrest, the CPR metronome provides audible prompts that
guide the user to deliver CPR with proper timing in accordance with the 2010 American Heart
Association and European Resuscitation Council CPR guidelines.
CPR Metronome Warnings
CPR Delivered When Not Needed
The metronome sounds do not indicate information
regarding the patient’s condition. Because patient
status can change in a short time, the patient should
be assessed at all times. Do not perform CPR on a
patient who is responsive or is breathing normally.
Note:
The CPR metronome is a tool to be used as a timing aid during CPR. Assess the
patient at all times and provide CPR only when indicated. Provide CPR according to your
training and protocols.
How the CPR Metronome Works
The metronome provides audible "tocks" at a rate of 100/minute to guide the rescuer in
performing chest compressions. The metronome also provides audible ventilation prompts
(either a tone or verbal "ventilate") to cue the rescuer when to provide ventilations. The
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