Mindray BP10 NIBP Module, Operator'S Manual

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Measurement Limitations Monitoring NIBP
6 - 4 BP10 Operator’s Manual
6.3 Measurement Limitations
Measurements are impossible with heart rate extremes of less than 30 bpm or greater
than 300 bpm, or if the patient is on a heart-lung machine.
The measurement may be inaccurate or impossible:
■
If a regular arterial pressure pulse is hard to detect.
■
With excessive and continuous patient movement such as shivering or
convulsions.
■
With cardiac arrhythmias.
■
Rapid blood pressure changes.
■
Severe shock or hypothermia that reduces blood flow to the peripheries.
NOTE
•
The effectiveness of this sphygmomanometer has not been established in
pregnant, including pre-eclamptic patients.
6.4 Measuring NIBP
6.4.1 Preparing the Patient
In order to minimize the NIBP measurement errors, whenever possible make sure the
patient is in the following positions.
■
Comfortably seated
■
Legs uncrossed
■
Feet flat on the floor
■
Back and arm supported
■
Middle of the cuff at the level of the right atrium of the heart
NOTE
•
It is recommended that the patient relaxes as much as possible and keep
calm before performing measurement and that the patient does not talk
during NIBP measurement.
•
It is recommended that 5 minutes should elapse before the first
measurement is taken.
•
The operator should not touch the cuff or tubing during NIBP measurement.