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Saturday, October 24, 2009

Why is the infalatabe cuff must be placed at the same level of the heart when taking blood pressure?

Why is it that common blood pressure measurements are made by placing an infalatable cuff on the upper arm at approximately the same level as the heart?
Answer:
Because the weight of blood above the heart exerts a certain amount of force (or pressure) on the body. If you moved lower, you would see an added force because there is more blood above the cuff than is above the heart.
it measures the heart beat when you inflate it and then when you release it you look at the numbers to tell what your blood pressure is
When the BP cuff is at heart level the BP is balanced.

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