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Tracking serial blood pressure measurements was further enhanced when Donal Nunn invented an accurate fully automated oscillometric sphygmomanometer device in 1981. [10] The term essential hypertension ('Essentielle Hypertonie') was coined by Eberhard Frank in 1911 to describe elevated blood pressure for which no cause could be found. [11]
If systolic blood pressure is elevated (>140 mmHg) with a normal diastolic blood pressure (<90 mmHg), it is called isolated systolic hypertension and may present a health concern. [ 49 ] [ 56 ] According to the 2017 [ 57 ] American Heart Association blood pressure guidelines state that a systolic blood pressure of 130–139 mmHg with a ...
So called "high normal blood pressure" is associated with increased risk of cardiovascular disease (high normal blood pressure is called prehypertension in medicine; it is defined as a systolic pressure of 120–139 mm Hg and/or a diastolic pressure of 80–89 mm Hg). Lifetime risk of developing elevated blood pressure is 90%.
For years, the upper limit of normal blood pressure (BP) for all adults was 140 systolic pressure (SBP) over 90 diastolic pressure (DBP) mmHg. ... 130/70 is, in fact, considered a cause for ...
Normal Blood Pressure. less than 120. less than 80. Elevated blood pressure. 120 to 129. less than 80. Hypertension stage 1. 130 to 139. 80 to 89. Hypertension stage 2. 140 or higher. 90 or higher.
Nearly half of U.S. adults have high blood pressure, which occurs when the measured force of blood flowing through blood vessels is higher than what is considered normal: less than 120 systolic ...
The variation in pressure in the left ventricle (blue line) and the aorta (red line) over two cardiac cycles ("heart beats"), showing the definitions of systolic and diastolic pressure. Blood pressure is classified as normal blood pressure, prehypertension, hypertension (stages I and II), and isolated systolic hypertension, which is a common ...
A blood pressure of less than 120/80 mm Hg is considered normal. “Blood pressure is the resistance that the heart pumps against,” says Dr. Mintz. “If a patient has persistent elevation of ...