or inside the monitor, contact local Customer Service Center.
Measurement Limitations
The oscillometry method has some limitations depending on the patient's condition. This measure is
based on the regular pulse wave generated by arterial pressure. In the case where the patient
condition makes such a detection method difficult, the measured value becomes unreliable and the
measuring time increases. The user should be aware that the following conditions will make the
measurement unreliable or measurement time extended. In this case, the patient's condition will
make the measurement impossible:
Patient Movement
Measurements will be unreliable or can not perform if the patient is moving, shivering or having
convulsions. These motions may interfere with the detection of the arterial pressure pulses. In
addition, the measurement time will be prolonged.
Cardiac Arrhythmia's
Measurements will be unreliable and may not be possible if the patient's cardiac arrhythmia has
caused an irregular heartbeat. The measuring time thus will be prolonged.
Heart-lung Machine
Measurements will not be possible if the patient is connected to a heart-lung machine.
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