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Patient and Operational Safety Notes
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Your cardiograph isolates all connections to the patient from electrical
ground and all other conductive circuits in the cardiograph. This
reduces the possibility of hazardous currents passing from the
cardiograph through the patient's heart to ground. To ensure the
patient's safety and your own, observe the following reminders.
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When operating your cardiograph from AC power, be sure it
and all other electrical equipment connected to or near the
patient are effectively grounded.
Use only grounded power cords (three-wire power cords with
grounded plugs). Also make sure the outlet accepts the plug and
is grounded. Never modify a grounded plug to fit an
ungrounded outlet, i.e. removing the ground prong or ground
clip to fit an ungrounded outlet. Should an ungrounded plug
adapter be necessary, use a ground strap to connect the
equipotential connector at the rear of the instrument to the
power source ground.
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The patient cable should be routed away from power cords and
any other electrical equipment. Failure to do so can result in AC
line frequency interference on the ECG trace.
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Getting Acquainted
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