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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 ...
To learn whether arm position made a difference in blood pressure readings, Brady and her colleagues recruited 133 adults, 78% of them Black and 52% female. The study volunteers’ ages ranged ...
Potential for misdiagnosis of hypertension. Brady said while they expected to find a difference in blood pressure readings between the different arm positions, they were surprised by the magnitude ...
Differences between left-arm and right-arm blood pressure measurements tend to be small. However, occasionally there is a consistent difference greater than 10 mmHg which may need further investigation, e.g. for peripheral arterial disease , obstructive arterial disease or aortic dissection .
In adults, a normal blood pressure is 120/80, with 120 being the systolic and 80 being the diastolic reading. [12] Usually, the blood pressure is read from the left arm unless there is some damage to the arm. The difference between the systolic and diastolic pressure is called the pulse pressure.
Pulse pressure is quantified using a blood pressure cuff and stethoscope (Korotkoff sounds), by measuring the variation of the systolic pressure during expiration and inspiration. [8] To measure the pulsus paradoxus, place a blood pressure cuff on the patient's arm and very slowly deflate the cuff while listening for brachial pulsations.
Pulse pressure is calculated as the difference between the systolic blood pressure and the diastolic blood pressure. [3] [4]The systemic pulse pressure is approximately proportional to stroke volume, or the amount of blood ejected from the left ventricle during systole (pump action) and inversely proportional to the compliance (similar to elasticity) of the aorta.
Clinical criteria are used in most studies when defining recurrence of coarctation (recoarctation) when blood pressure is at a difference of >20 mmHg between the lower and upper limbs. This procedure is most common in infant patients and is uncommon in adult patients. 10.8% of infant patients underwent recoarctations at less than two years of ...