What is a
blood pressure monitor?
A blood pressure monitor displays blood pressure measured from a
catheter inserted into an artery. The picture to the right shows an
arterial catheter inserted into the radial artery in the wrist. The
catheter sends the blood pressure wave back to a bedside monitor,
where it is continuously displayed. The blood pressure monitor is
one of the most accurate methods for measuring blood pressure. Since
the blood pressure monitor requires a catheter in an artery, the
nurse may need to help the patient keep the artery still by placing
a support (like a board under the wrist) or the use of soft
restraints.
When is a blood pressure monitor used?
A blood pressure monitor is used when the patient's blood pressure
requires frequent measurement.
Does use of a blood pressure monitor hurt?
The use of the blood pressure monitor does not hurt.
How long is a blood pressure monitor used?
The blood pressure monitor is used as long as the patient's blood
pressure needs to be carefully watched.
Are there any potential complications
associated with use of a blood pressure monitor?
No. The blood pressure monitor is very reliable and rarely causes
problems.
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Arterial line (catheter) inserted into an artery in
the wrist (radial artery)
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Blood pressure of 103/67 displayed on a blood
pressure monitor
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Blood Pressure Monitor 
