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Dr. Andrew Rynne

Family Physician

Exp 50 years

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Can you get a blood pressure measurement from your feet?

Can you get a blood pressure measurement from your feet ? I am doing a project for school and wanted to know if it possible to get a blood pressure/ heart rate reading from your feet ? Doesn t have to be perfect technology just the possiblity that it could work .. similar to the things at the gym where you put your hands on it while stepping.... thanks
Thu, 17 Dec 2009
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The answer is a solid yes for both. Normally, the blood pressure in your ankle and upper arm is about the same. As a matter of fact, there is a vascular formula that measures the ratio between the ankle and brachial (upper arm) pressures as an indication of how well the circulation is to the lower extremities. This is also referred to as the ABI (ankle brachial index). The pressure measured in the ankle is as accurate as the arm. The pulse oximeter that detects heart rate as well as saturation of hemoglobin, normally applied to the fingers, can be applied to the toes (or ear lobes) as well. See here: http://www.vascularweb.org/patients/NorthPoint/Ankle_Blood_Pressure_Measurement_ABI.html Good luck Ralph
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