Cuff size can strongly affect your blood pressure readings

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High blood pressure is a major health problem. It can raise the risk of heart disease, stroke, kidney disease, and other serious conditions. In fact, it is one of the leading causes of death in the United States.

What makes it even more dangerous is that many people who have high blood pressure do not know it. That’s why it is very important to measure blood pressure accurately.

A recent study has shown that using a “one-size-fits-all” approach when checking blood pressure can lead to big mistakes. In the past, most research on blood pressure measurement focused on manual tools called mercury sphygmomanometers.

These are the old-fashioned monitors where a doctor pumps up a cuff and listens to the blood flow sounds with a stethoscope.

But today, most blood pressure checks are done with automated monitors, which are easier to use and more common in doctor’s offices, pharmacies, and even at home. Researchers from a new study wanted to find out if using the wrong cuff size on these modern machines also causes problems.

The study looked at 165 adults with an average age of 55. About one-third of the participants were men, and 68% were Black adults. Each person had their blood pressure measured twice: once using a regular adult-sized cuff and once using the cuff size that actually fit their arm.

The results showed clear problems. For people who needed a small cuff but were measured with a regular-sized cuff, the readings were too low. This meant that some people who actually had high blood pressure were mistakenly told their blood pressure was normal.

On the other hand, for people who needed a large or extra-large cuff but were measured with a regular cuff, the readings were much too high. Some of these people were incorrectly classified as having stage 2 high blood pressure, which could lead to unnecessary treatments.

This finding is important because it shows that using the wrong cuff size can either hide or exaggerate blood pressure problems.

People with larger arms — which includes many people who are overweight or obese — are especially at risk of being misclassified. Getting the wrong reading could mean missing the chance to get needed treatment or taking medicines that aren’t necessary.

The researchers stressed that both healthcare workers and the public need to know how important cuff size is. Whether you are getting your blood pressure checked at a doctor’s office, a pharmacy kiosk, or even at home, it is important to use the right cuff size for your arm.

This is especially important in communities where obesity is more common, because the risk of using the wrong cuff size is even greater.

This study was conducted by Jeanne Charleston and her team. It highlights a simple but powerful point: measuring blood pressure correctly matters a lot, and it starts with using the right equipment.

If you are interested in learning more about blood pressure, recent studies have suggested that some blood pressure medicines may increase the risk of sudden cardiac arrest.

Other studies have found that natural options like coconut sugar and beetroot juice may help lower blood pressure. Researchers are also studying certain nutrients that could strongly reduce high blood pressure.

Thanks to research like this, we are learning that even small details — like picking the right cuff size — can make a big difference in keeping people healthy.

If you care about high blood pressure, please read studies that early time-restricted eating could help improve blood pressure, and natural coconut sugar could help reduce blood pressure and artery stiffness.

For more health information, please see recent studies about added sugar in your diet linked to higher blood pressure, and results showing vitamin D could improve blood pressure in people with diabetes.

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