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Elevated: 120-129 systolic, less than 80 diastolic. High blood pressure (stage 1): 130-139 systolic or 80-89 diastolic. High blood pressure (stage 2): 140-179 systolic or 90 or higher diastolic.
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 ...
The second number — the bottom number — is your diastolic blood pressure. This is the pressure of your blood against your artery walls back toward the heart, in between heartbeats. You have ...
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.
Stage 2 hypertension is between 160 and 179 mmHg on the systolic side, and between 100 and 109 on the diastolic side. And finally, stage 3 hypertension is anything over 180 mmHg on the systolic side and 110 mmHg on the diastolic side. Typically both systolic and diastolic pressures tend to climb or fall together, but that’s not always the case.
This can mean that systolic pressure is abnormally high, but diastolic pressure may be normal or low, a condition termed isolated systolic hypertension. [80] The high pulse pressure in elderly people with hypertension or isolated systolic hypertension is explained by increased arterial stiffness , which typically accompanies aging and may be ...
Both high systolic pressure and high pulse pressure (the numerical difference between systolic and diastolic pressures) are risk factors. [49] Elevated pulse pressure has been found to be a stronger independent predictor of cardiovascular events, especially in older populations, than has systolic, diastolic, or mean arterial pressure.
Similarly when people’s arms were on their laps, the systolic blood pressure was 3.9 points higher than when their arms were supported by a surface, while the diastolic pressure was 4 points ...