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The crucial step your doctor may skip when checking your blood pressure | Fox News


Typically when you get your blood pressure taken, you only stick out one arm.

Better roll up both sleeves: Differences between BP measurements in each arm could signal serious heart issues, suggests new research from England. 

In the study, people whose systolic blood pressurethe top number in your BP readingdiffered by 5 to 10 millimeters of mercury (mmHg) from one arm to the other were almost twice as likely to die from a heart-related disease than those whose readings were more equal.

Related: The Better Man Project from Men’s Health2,000+ Awesome Tips on How to Live Your Healthiest Life

A slight fluctuation below 5 mmHg is normal, and can be explained by asymmetrical differences in your muscles and tissue in each arm, said lead study author Christopher Clark, Ph.D.

But larger differences in the readingslike the 5 to 10 mmHg discrepancy in the studycan point to more serious issues. 

RelatedWhat Your Blood Pressure Numbers Really Mean

One such condition is stenosis, or the narrowing of a large artery. This could lead to a lower blood pressure reading from the arm on the side with the narrowed artery, Clark said. 

This kind of narrowing can indicate more widespread arterial disease, which we know can lead to heart attacks, strokes, and death, he said.

Related: 6 Guys Who Suffered Heart Attacks Tell You What It Really Feels Like

High blood pressure can also cause your arteries to stiffen, often before any other markers of disease become apparent. 

This could affect your blood pressure in the arm on the side with the stiffened artery, which makes your heart work harder to pump bloodleaving you at risk for angina, stroke, and heart attack. (Find out The Scary Symptoms Of a Silent Heart Attack.)  

At your next checkup, have your doctor check both of your arms simultaneously. If your systolic pressures differ by more than 5mmHg, ask for a second reading after 1 minute to see if it persists.

If that difference remains even after a second reading, your doctor might move on with other testing.

Related: 6 Essential Blood Tests You Should Have 

This may include things like blood tests, urine tests, and EKGs, to rule out conditions like diabetes and kidney problems. 

This article originally appeared on MensHealth.com.

Read more: www.foxnews.com


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