Overview
1-2 Introduction
Overview
The M4735A Heartstream XL Defibrillator/Monitor is a lightweight, porta-
ble, semi-automatic external defibrillator. It offers two modes of operation for
defibrillation:
l
Automated External Defibrillation (AED) Mode
l
Manual Mode
Both modes incorporate a low energy SMART Biphasic waveform for
defibrillation.
In AED Mode, the M4735A Heartstream XL Defibrillator/Monitor analyzes
the patient’s ECG and advises you whether or not to deliver a shock. Voice
prompts guide you through the defibrillation process by providing instruc-
tions and patient information. Voice prompts are reinforced by messages that
appear on the display.
In Manual Mode, the M4735A Heartstream XL Defibrillator/Monitor turns
control of the defibrillation process over to you. You analyze the patient’s
ECG, and select the energy setting for defibrillation if necessary. Manual
Mode also allows you to perform synchronized cardioversion and offers
noninvasive pacing (optional).
Defibrillation is performed through attached paddles or multifunction defib
electrode pads. Monitoring is available in AED and Manual Mode through
pads, 3-lead ECG monitoring electrodes, or optional 5-lead ECG monitoring
electrodes. Optional pulse oximetry (SpO
2
) monitoring is also available in
AED and Manual Modes. While monitoring ECG or SpO
2
, you may set heart
rate and/or SpO
2
alarms to alert you when these parameters are outside the
defined limits.
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