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Blood pressure numbers explanation?

6 doctors weighed in across 3 answers

Top/Bottom: The top number (systolic) can be viewed as how hard the heart pumps blood into the body. The bottom number (diastolic) can be described as the pressure the body pushes back against the heart. Obviously the top number is higher, as the heart pushes harder to get the blood to flow. Both of these numbers are very important.

Answered 3/28/2017

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Blood pressure: Systolic blood pressure is the top number as the first sounds heard as the blood pressure cuff is deflated. The last sound heard as the cuff is deflated is the diastolic blood pressure.

Answered 7/30/2014

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BP definition.: The blood pressure is the resistance to blood flow through the body. The higher number is the resistance when the heart pumps, and the lower number is the resistance when the heart relaxes and fills. High BP can lead to problems with the heart, kidneys, eyes, blood vessels and brain.

Answered 5/13/2017

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