Philips' HeartStart XL Defibrillator and Monitor is designed for cardiac care. The machine weighs less than 14 lbs. and is a mobile defibrillation system that can be used by trained ALS or BLS clinicians. The system can also be used by untrained clinicians. HeartStart XL's AED mode provides detailed instructions to the user on how to administer a shock, if necessary. Philips published a user training workbook that outlines the many features of the HeartStart XL.
Topics Covered
Philips recommends that a certified BLS or ALS provider operate the HeartStart XL defibrillator and monitor. The Philips HeartStart XL User Training Workbook covers a number of subjects, including identifying functions and features of the defibrillator, its controls, elements of ECG and SpO2 monitoring, performing system checks and maintenance, and reviewing and interpreting event summaries.
HeartStart XL Basics
Philips' M4735A HeartStart XL Defibrillator and Monitor is a portable and lightweight, semi-automated external defibrillator featuring AED and manual mode operations. The interface on the machine allows for the user to select the energy level by turning a knob, start and stop the defibrillator, print out data strips, view event summaries, control the volume, determine the display size of the ECG, control the pacer, rate and mode of the defibrillator, and receive commands from the machine through an integrated speaker system. A data card and battery slot are also accessible on the front of the machine, underneath the interface.
AED And Manual Mode
When the HeartStart XL is set to AED mode, the defibrillator's computer automatically analyzes ECG information that is transmitted from a patient and provides advice on whether to administer a shock. The user is informed through automated voice prompts that give step-by-step instructions and patient information. The monitor also displays these instructions. HeartStart XL's manual mode is designed for certified ALS and BLS providers who are trained in reading ECG information, and are able to determine whether administering a shock is necessary. All defibrillator controls are turned over to the user in manual mode.
SMART Biphasic Technology
HeartStart XL uses SMART Biphasic Technology to inform defibrillation therapy. This advanced waveform is a step up from the original but now defunct alternating waveforms and the still commonly used monophasic waveform. Today, biphasic waveform is the standard waveform for ICDs, or Implantable Cardioverter Defibrillators, which can support low energy defibrillation. This advanced waveform technology enables defibrillator manufacturers to develop lighter and smaller machines. Biphasic's biggest contribution to defibrillation therapy, though, is its ability to consistently and effectively shock at the suggested 150 joules, rather than at higher, escalating joules, as is the case with monophasic defibrillation therapy.
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