Manual Defibrillation / Synchronized Defibrillation
26
Marquette Responder® 3000
227 490 02-C
Warning
False Triggering — Do not use a pacemaker ECG
for triggering, because the trigger pulses derived
from pacemaker ECGs may be incorrect and
synchronized delivery of the defibrillation shock
may not be possible.
Note
After each synchronized defibrillation, the device
reverts to the non-synchronized mode; the same
applies when the energy selector is set to
.
4.3 Synchronized Defibrillation
(Cardioversion)
Some Basic Facts
For synchronized defibrillation (cardioversion) the
defibrillation shock is delivered in synchronization
with the heart action, as the heart is still working.
As a prerequisite, the patient's ECG signal must be
supplied to the defibrillator. After the attending
physician has given the "defibrillation command"
by pressing the appropriate buttons, the device will
wait for the next QRS complex to derive the
trigger signal for actual delivery of the shock.
The following electrodes can be used for cardio-
version:
−
paddles (+ separate ECG electrodes),
−
adhesive electrodes (pads), or
−
internal electrodes (+ separate ECG electrodes).
Indications
Examples
−
mitral stenosis
−
left ventricular hypertrophy (aortic stenosis,
hypertension)
−
impaired myocardiac function (ischemia, right
heart failure)
−
patients with atrial or ventricular arrhythmias,
hypotension and/or pulmonary edema.
If ventricular fibrillation develops, select the non-
synchronized mode for defibrillation, because it is
not possible to detect a QRS complex for
triggering in the presence of ventricular fibrilla-
tion.
Cardioversion with the Marquette Responder®
3000 is only possible in the manual mode.
We recommend acquiring the ECG with separate
ECG electrodes. However, you can also defibril-
late the patient with adhesive pads and pick up the
ECG via the pads.
Содержание Marquette Responder 3000
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