Chapter 1 General Information
1-12 www.zoll.com 9650-001355-01 Rev. M
ECG Monitoring
The patient’s ECG is monitored by connecting the patient to the unit via a 3-, 5-, or 12-lead
patient cable or hands-free therapy electrodes. The ECG waveform is presented on the display
along with the following information:
• averaged heart rate, derived by measuring R to R intervals
• lead selection - I, II, III, aVR, aVL, aVF, V1, V2, V3, V4, V5, V6 (with ECG cable),
PAD DLES, or PADS.
• ECG size - 0.125, 0.25, 0.50, 1.0, 2.0, 4.0 cm/mV, AUTO
• status messages
The ECG bandwidth is user selectable.
Electrodes
The X Series units will defibrillate, cardiovert, and monitor ECG using hands-free therapy
electrodes. The X Series unit will pace using ZOLL hands-free therapy electrodes.
Energy Select, Charge and Shock controls are located on the paddles and front panel. When
using hands-free therapy electrodes, you must use the controls on the front panel of the unit. To
switch between paddles and hands-free therapy electrodes, remove the multifunction cable
(MFC or OneStep) from the apex paddle and connect the hands-free therapy electrodes to the
cable.
You should always check the expiration date on the electrode packaging. Do not use expired
electrodes, which might result in false patient impedance readings and affect the level of
delivered energy, or cause burns.
Note: ZOLL electrodes contain no hazardous materials and may be disposed of in general
trash unless contaminated with pathogens. Use appropriate precautions when
disposing of contaminated electrodes.
When the patient is less than 8 years old or weighs less than 55 lb. (25 kg), use ZOLL OneStep
Pediatric defibrillation electrodes. Do not delay therapy to determine the patient’s exact age or
weight.
This symbol on the electrode package is accompanied by the expiration date.
For Stat-padz
®
II, this symbol does not appear; the expiration date appears on the
lower right corner of the label, below the lot number.
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