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What do you need to
know about a wrist blood pressure cuff? Do you need a replacement? Do
you need to know the correct size for you? Do you actually know the
correct way to wear one?
What Is A Wrist Blood Pressure Cuff?
It is nothing more than a section of sealed plastic material that
inflates around your arm.
By squeezing your arm tightly, the pulse in your brachial artery can be
more easily measured, both in frequency (your pulse) and in magnitude
(your blood pressure).
Correct Size
Most blood pressure monitors only come with a single size of cuff.
Around half of all people who buy one are forced to send it to the
manufacturer in return for one that fits better. Luckily, most
companies do this free of charge although you usually have to pay
postage yourself.
A cuff that is too large or too small will underestimate or
overestimate your true blood pressure. Therefore, it's important that
you get one that fits you well.
Usually the cuff will come with markings that tell you (when put on) if
the cuff is the right fit for you or not. Otherwise, check the
instructions that came with the device.
If you have not yet bought a monitor, then make sure to try the cuff on
in the store if you can, before you buy.
Correct Positioning
The hose that connects the cuff to the monitor should be positioned
correctly if you want accurate readings.
Remember, your blood pressure is being monitored from your brachial
artery. If you lay down your arm on a table with palm facing upwards
then the artery runs through the top of your exposed arm (the inside of
the arm and elbow).
Make sure that the hose is also situated in line with the artery i.e.
on top of the arm when it is in the position described above.
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