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In other words, the results showed that having your arm resting in the lap during a blood pressure reading may lead to an overestimated systolic blood pressure measurement by 3.9 mm Hg and an ...
For example, if a person’s actual blood pressure is 134, and blood pressure is measured on a dangling arm, the reading could end up over 140, which is considered to be stage 2 hypertension.
A more accurate value of systolic blood pressure can be obtained with a sphygmomanometer and palpating the radial pulse. [11] Methods using constitutive models have been proposed to measure blood pressure from radial artery pulse. [citation needed] The diastolic blood pressure cannot be estimated by this method. The American Heart Association ...
Taking blood pressure with a sphygmomanometer Measuring systolic and diastolic blood pressure using a mercury sphygmomanometer Arterial pressure is most commonly measured via a sphygmomanometer , which uses the height of a column of mercury, or an aneroid gauge , to reflect the blood pressure by auscultation. [ 4 ]
If the pressure is dropped to a level equal to that of the patient's systolic blood pressure, the first Korotkoff sound will be heard. As the pressure in the cuff is the same as the pressure produced by the heart, some blood will be able to pass through the upper arm when the pressure in the artery rises during systole .
"Your blood pressure is supposed to be under 140 over 90, optimally closer to 120 over 80."