Defibtech DDU-120 Series - Manual (Page 56)

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DAC-530E-EN-BH
8.1.5.1 Shockable Rhythm Criteria
When placed on a patient meeting the indications for use criteria, the DDU-120 AED is designed to
recommend a defibrillation shock when it detects proper pad impedance and one of the following:
Ventricular Fibrillation
Peak-to-peak amplitude at least 200 µVolts.

Warning
:
Some very low amplitude or low frequency VF rhythms
may not be interpreted as shockable.
Ventricular Tachycardia
(including ventricular flutter and
polymorphic VT)
Cardiac rhythm rate of at least 180 bpm and peak-to-peak amplitude at
least 200 µVolts.

Warning
:
Some very low amplitude or low frequency VT rhythms
may not be interpreted as shockable.
The DDU-120 AED is designed to recommend no shock for all other rhythms, including Normal
Sinus Rhythms, fine Ventricular Fibrillation (<200 µVolts), and some slow Ventricular Tachycardias
and Asystole.