Deliver Shock; Internal Paddles - ZOLL M2 Operator's Manual

Chapter 9 Manual Defibrillation
Caution Changing the selected energy while the unit is charging or charged causes the defibrillator to
disarm itself. Press the CHARGE button again to charge the unit to the newly selected energy
level.
A CHARGING message displays at the bottom of the screen, and a distinctive tone sounds
indicating that the unit is charging.
The energy bar graph on the bottom of the display highlights the charge level until it reaches the
selected energy. When the unit is fully charged, the tone changes to a continuous charge ready
tone, the unit displays READY on the display screen, and the charge indicator on the front panel
or the apex paddle light up.

3 Deliver Shock

WARNING! Warn all persons in attendance of the patient to STAND CLEAR prior to defibrillator
discharge.
Verify that no one is in contact with the patient, monitoring cable or leads, bed rails, or
any other potential current pathways.
Verify that the primary ECG waveform is stable and that sync markers appear over each R-
wave and that they do not appear over the T-wave. If not, switch the primary ECG trace to
another ECG lead or electrode to ensure that the sync markers are appropriate and consistent
from beat to beat.
Press and hold the illuminated SHOCK button on the front panel, (or simultaneously press and
hold both paddle SHOCK buttons) until energy is delivered to the patient. The defibrillator will
discharge with the next detected R-wave.
The delivered energy level is displayed at the bottom of the screen and the shock number (1)
displays in the dashboard.
Note:
Caution If the defibrillator is not discharged within 15 to 60 seconds (depending on configuration) after
reaching the selected energy level, the unit automatically disarms itself but remains in Sync
mode.
If additional countershocks are needed, press the Sync quick access key again and follow steps
1 through 3 of this procedure starting on page 9-17 to readjust the energy settings, charge the
unit, and deliver shock.

Internal Paddles

ZOLL internal paddles are designed for use with the ZOLL M2 monitor/defibrillator to
defibrillate the heart during open chest procedures with molded autoclavable internal handles
with integrated electrodes.
When an internal handle set is connected to the ZOLL M2 unit, it automatically sets the
selected energy to 10 Joules. The maximum allowed energy selection is 50 Joules when internal
paddles are in use.
9-18
To cancel the defibrillation at any time, press the Disarm quick access key.
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