Physiological Unit Signal 7-1
7 Physiological Unit Signal
The physiological unit signal waveform is used for checking ultrasound image in ultrasound exam
(cardiac exam mainly).
The system provides the physiological unit input panel, on which ECG and other signals can be input.
See Section 2.8 Front I/O Panel .
The system is equipped with physiological unit signal module. Tap [Physio] to enable the function. The
image area shows ECG curves.
Support ECG and external ECG;
Only one port is on the ECG module, which transfers to ECG source via DC-IN.
NOTE:
When abnormality is detected in physio trace, please check if ECG leads are properly
connected with the system.
WARNING:
Do not use the physiological traces for diagnosis and monitoring.
To avoid electric shock, the following checks shall be performed prior to
an operation:
The ECG electrode cable must not be cracked, frayed or show any signs
of damage or strain.
The ECG electrode cable must be correctly connected.
You must use the ECG leads provided with the physiological unit module.
Failure to do so may result in electric shock.
The ECG electrode cable must be connected to the system first. Only
after the cable is connected to the system, can the patient be connected
to the ECG electrodes. Failure to follow these instructions may subject
the patient to electric shock.
Do not place the ECG electrodes directly in contact the patient’s heart;
otherwise it may lead to stop of the patient’s heartbeat.
Do not apply the ECG electrodes if the voltage exceeds 15 volts. This
could produce an electric shock.
Do not use this system when any digital device such as a high-frequency
electrotome, high-frequency therapeutic device or defibrillator is applied
already.
Conductive parts of electrodes and associated connectors for ECG
should not contact other conductive parts including earth/grounding.
Frequent trampling or squeezing on the cables may result in cable break-
down or fracture.
Display effect of respiratory curve depends on the patient breathing
status. While a very slow or smooth breathing may lead to an unapparent
respiratory curve, breathing in a large amplitude may cause an
incomplete display of the respiratory curve. Display effect is linked to the
connected parts of the body. Generally, signals by connecting to limbs
are stronger than by connecting to the chest.
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