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6
Options
6.4
Silent mode
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FRED easy
6.4
Silent mode
6.4.1
Silent mode
The FRED easy with silent mode option is intended for locations where a quick trans-
ferral to a hospital cannot be guaranteed. If in Silent mode a change in the cardiac
rhythm is detected the device reactivates the AED mode and the user will be prompt
to check the patient.
In silent mode, operating time is approx. 6.5 hours if no analysis or defibrillation is per-
formed.
If a patient has been successfully defibrillated or if the device does not detect a shock-
able rhythm, the device can be switched to silent mode in order to detect changes of
the patient's cardiac rhythm without the user or patient being disturbed by the AED's
repeated voice prompts.
If the device detects a change in the cardiac rhythm or if the green button is pressed,
silent mode is abandoned and voice prompts instruct the user about the next steps to
be taken.
Moreover, the heart rhythm is recorded and can be transmitted via network with the
FRED easy Ethernet/Online (see
5.2.2 Data transmission procedure
).
Even though the device issues voice prompts if a change in rhythm occurs, this
is not a substitute for the regular checking of the patient's vital functions.
Silent mode must only be activated if the device does not detect a shockable
rhythm and if the patient is responsive.
The silent mode must not be carried out while the device is starting up.
The silent mode must not be carried out during an analysis or defibrillation.