Parameter Menus Operations
2 - 14 0070-10-0666-01 Trio™ Operating Instructions
2.4 Parameter Menus
2.4.1 Electrocardiogram (ECG) Monitoring
ECG is a continuous waveform of a patient's cardiac electrical activity. The ECG waveform
will display in the first waveform area of the Trio.
The quality of an ECG signal is directly affected by electrode site skin preparation, electrode
patch quality and ECG lead placement. If artifact is present on the ECG waveform, then the
arrhythmia processing, alarm processing, and quality of the monitoring function may be
affected. The presence of artifact can prevent the monitor from establishing an accurate ECG
reference waveform, increasing the difficulty experienced in assessing the ECG rhythm.
Optimizing the ECG signal is imperative for accurate monitoring. Use high quality
electrodes, designed to acquire the ECG with excellent base line stability, recovery from
defibrillation and minimum artifact from patient movement.
With the Trio, ECG can be obtained by using either a 3 Lead or 5 Lead ECG cable in
conjunction with a lead set and skin electrodes. For best performance and safety, inspect the
ECG cables and electrodes daily.
WARNING: Ensure that the conductive parts of ECG electrodes do not
contact other conductive parts, including earth ground.
CAUTION: To avoid possible damage to the Trio, use only approved
ECG cables and approved accessories.
CAUTION: Line isolation transients may resemble actual cardiac
waveforms, thus inhibiting heart rate alarms. Check lead
wires for damage and ensure good skin contact prior to and
during use. Always use fresh electrodes and follow proper
skin preparation techniques.
CAUTION: Use of accessories, transducers and cables other than those
specified in the manual may result in increased
Electromagnetic Emissions or decreased Electromagnetic
Immunity of the Trio. It can also cause delayed recovery
after the discharge of a cardiac defibrillator.
NOTE: This device is not intended for direct cardiac application.
2.4.1.1 Skin Preparation
Proper skin preparation is essential in obtaining an accurate ECG reading. Electrode sites
should be clean and dry and should provide a smooth flat surface. Incidental electrical
activity and inaccurate readings may arise from incorrect skin preparation.
The following procedure is recommended for secure electrode patch application:
1. Shave the hair from the electrode sites in a circular area with a diameter of 2 – 4 inches.
2. Use a dry gauze pad to remove excess skin oils, skin cells and residue from the
electrode sites. Never rub the skin until it is raw or bleeding.
To Purchase, Visit Avobus.com or call 1-800-674-3655
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