Performance Verification Tests
2-18 Performance Verification and Safety Tests
Functional Checks
The functional checks below exercise the basic functions of the defibrillator/
monitor. They are intended as a broad check of the unit’s performance, and
are designed to complement (not replace) the Diagnostic Tests described later.
If all elements of a test pass, record that test as a PASS and return to the main
diagnostic menu by pressing . If there is any failure, begin
troubleshooting and repairing as needed. See "Troubleshooting" on page 3-1.
ECG Functional Checks
This section describes how to check the operation of the ECG functions. Each
of the ECG checks assumes the unit and the simulator are still set up as they
were at the end of the previous ECG check.
To check ECG display and Heart Rate (HR) functions:
1. Set up the simulator.
a. Connect the ECG simulator to both the Pads input and the 3- or
5-lead ECG cable.
b. Set the simulator for normal sinus rhythm (NSR), 1mV amplitude, at
some nominal rate (e.g., 60 bpm).
2. Set up the M4735A.
Set the M4735A to Manual operating mode (not Diagnostic Mode).
3. Check the displayed ECG.
Using the softkey, verify that the display shows a normal
ECG with a clean baseline for both Pads and Lead II.
4. Check the Heart Rate (HR).
Verify that the Heart Rate (HR) displayed is correct.
5. Check Leads Off.
a. Disconnect the ECG simulator from the pads cable and verify that the
display shows a dashed line in place of the waveform and that the unit
both alarms and gives the Pads Off message
b. If using a 3-lead cable, set the unit to monitor from Lead II. For a 5-
lead ECG cable, set the unit to monitor from the V lead.
c. Disconnect each of the ECG leads from the simulator one at a time,
and verify that the display shows a dashed line in place of the wave-
form and that the unit both alarms and gives the Leads Off message.
Check Page
ECG Functional Checks 2-18
Shock Advisory Functional Check 2-19
Synchronized Cardioversion Functional Check 2-20
Sp02 Functional Check 2-21
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