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There are two numbers in a blood pressure reading: Systolic (the top number) and diastolic (the bottom number). Systolic measures the pressure during heartbeats, and diastolic measures the ...
Diastolic pressure, the pressure in the arteries between heartbeats, is the bottom number in the reading. ... Stage 1 high blood pressure is when systolic is 130 to 139 or diastolic is 80 to 89 ...
It has two readings: Systolic (the top number) measures the pressure in the arteries when the heart beats, and diastolic (the bottom number) measures the pressure in the arteries between heartbeats.
For people with high blood pressure, higher heart rate variability (HRV) is a risk factor for atrial fibrillation. [51] Both high systolic pressure and high pulse pressure (the numerical difference between systolic and diastolic pressures) are risk factors. [49]
What is high blood pressure? Two numbers describe blood pressure. The top, “systolic” pressure, is the force blood puts on the walls of arteries as its pumped out of the heart. The bottom “diastolic” number measures that same pressure but between heartbeats. Normal is less than 120 over 80.
Nearly half of U.S. adults have high blood pressure, ... while the diastolic blood pressure — the bottom number — was 4.4 points higher than in the supported condition. ...
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