INSIGHT Vital Signs Plus ECG Operator's Manual page 47

Arrhythmia
•
If the display shows an arrhythmia that results in an irregular heartbeat, the
measurement will be unreliable or even impossible, and the measurement
time will be extended.
Heart-lung machine
•
If the animal is connected with an artificial heart-lung machine, the
measurement will not be possible.
Pressure change
•
If within a certain period of time, the arterial pressure pulsation is being
analysed to obtain a measurement value, and the blood pressure changes
rapidly at this time, the measurement will be unreliable or even impossible.
Severe shock
•
If the animal is in severe shock or hypothermia, the measurement will be
unreliable. Because the decrease in blood flow to the periphery will result in a
decrease in arterial pulsation.
Extreme heart rate
•
Blood pressure cannot be measured when the heart rate is lower than 40bpm
and higher than 254bpm.
Thick fur
•
Thick hair under the limbs will reduce the accuracy of the measurement.
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