X Series Product Functions
9650-001355-01 Rev. M X Series Operator’s Guide 1-11
12-Lead Analysis
The 12-lead ECG Analysis is intended for use in acquiring, analyzing and reporting ECG data,
and to provide interpretation of the data for consideration by caregivers. The interpretations of
ECG data offered by the device are only significant when used in conjunction with caregiver
overread as well as consideration of all other relevant patient data. The 12-lead ECG Analysis
is intended for use on adults (> 18 years of age).
X Series Product Functions
Defibrillator Function
The X Series contains a direct current (dc) defibrillator capable of delivering up to 200 joules. It
may be used in synchronized mode to perform synchronized cardioversion using the patient’s
R-wave as a timing reference. The unit uses paddles or disposable, pregelled electrodes for
defibrillation.
Defibrillator Output Energy
X Series defibrillators can deliver biphasic energy from 1 joule to 200 joules. The energy
delivered through the chest wall, however, is determined by the patient’s transthoracic
impedance. An adequate amount of electrolyte gel must be applied to the paddles and a force of
10 to 12 kilograms (22 to 26.4 pounds) must be applied to each paddle in order to minimize this
impedance. If hands-free therapy electrodes are used, make sure that they are properly applied.
(Refer to the instructions on the electrode package).
External Pacemaker
X Series defibrillators include a transcutaneous pacemaker consisting of a pulse generator and
ECG-sensing circuitry. Noninvasive transcutaneous pacing (NTP) is an established and proven
technique. This therapy is easily and rapidly applied in both emergency and nonemergency
situations when temporary cardiac stimulation is indicated.
The output current of the pacemaker is continuously variable from 10 to 140 mA (the output
current is 0 mA when paused). The rate is continuously variable from 30 to 180 pulses per
minute (ppm), by increments of 5 ppm (10 bpm when greater than 100 ppm).
The pacing output pulse is delivered to the heart via ZOLL hands-free defibrillation/pacing
electrodes placed on the patient’s back and the precordium.
Proper operation of the device, together with correct electrode placement, is critical to
obtaining optimal results. Every operator must be thoroughly familiar with these operating
instructions.
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