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What could cause a difference of blood pressure between my arms?

Persistent differences in blood pressure between the arms can indicate disease of the arteries in the chest. An examination by a vascular specialist can help define the cause and determine if it is an indication of a disease process and whether it needs treatment. The causes of a difference in blood pressure between arms include hardening of the arteries (atherosclerosis), inflammatory diseases of the arteries, and certain structural abnormalities.
Diana Meeks
Diana Meeks on behalf of Sigma Nursing
Family Practitioner
Differences in blood pressure readings of greater than 20 mm Hg, systolic (top number) or greater than 10 mm Hg, diastolic (bottom number) between the two arms can be caused by either blockage in the arteries, kidney disease, diabetes, or heart defects.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.