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M3538a Lithium Ion Battery; Battery Capacity; Battery Life; Operating Modes - Philips HeartStart MRx Instructions For Use Manual

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2 Getting Acquainted

M3538A Lithium Ion Battery

The HeartStart MRx uses the M3538A Lithium Ion Battery. The battery has a fuel gauge with 5 LED
indicators, each representing a charge of approximately 20% of capacity. Press the fuel gauge button to
illuminate the fuel gauge.
CAUTION A battery should be used as the primary power source. AC/DC should be used as a secondary source, if
desired. If an AC/DC power module is used as the only power source, the HeartStart MRx takes longer
to charge to the desired energy level and, in the event of power loss, all settings reset to the default
settings and a new incident is created when power is returned. All stored data remains intact and can be
found by retrieving the previous incident. Keep your unit charged.

Battery Capacity

A new, fully-charged M3538A battery, operating at room temperature 25
approximately 5 hours of monitoring, with ECG, SpO
monitored continuously, NBP measured every 15 minutes, and 20 200J discharges. A fully charged
new battery provides approximately 3.5 hours of monitoring, with ECG, SpO
two invasive pressures monitored continuously, NBP measured every 15 minutes, and pacing at
180ppm at 160mA.

Battery Life

Battery life depends on the frequency and duration of use. When properly cared for, the M3538A
Lithium Ion battery has a useful life of approximately 2 years. To optimize performance, a fully (or
nearly fully) discharged battery should be charged as soon as possible.

Operating Modes

The HeartStart MRx has four clinical modes of operation, each with a customized display view. The
modes are as follows:
Table 1 Operating Modes and Views
Mode of Operation
Monitor Mode
AED Mode
Manual Defib Mode
Pacer Mode
Upon returning to a clinical mode from a non-clinical mode such as Configuration or Data
Management, all settings reset to the default settings.
Display View
Monitoring View, or
Used to monitor ECG, take an optional 12-lead ECG, and monitor
optional parameters such as SpO
12-Lead View
Temperature and for viewing Vital Signs Trending data.
AED View
Used to analyze ECG and if necessary, perform semi-automatic external
defibrillation. Q-CPR available.
Code View
Used to perform asynchronous and synchronous defibrillation
(cardioversion). Q-CPR available.
Pacing View
Used to perform demand or fixed mode pacing.
M3538A Lithium Ion Battery
, CO
, temperature, two invasive pressures
, CO
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, NBP, Invasive Pressures,
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, temperature,


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