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For many years we were taught that diastolic blood pressure counts more.
Primary (essential) hypertension In many cases, hypertension occurs without any symptoms whatsoever, and has no known cause. These patients are classified as having "essential" hypertension. Parathyroid Hypertensive Factor (PHF) is a hormone produced by the parathyroid gland. When elevated, it can cause any increase in blood pressure.
PHF levels can be tested, and elevated levels could serve to predict salt sensitivity, and calcium treatment responsiveness. It is estimated that only 24% of hypertensive patients in the USA have their BP controlled to less than 140/90mm Hg, and 30% are unaware that they have hypertension. Effective medical control of hypertension will prevent or forestall most complications and will prolong life in patients with ISH or diastolic hypertension. |
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