【摘 要】
：
In orthodox circulatory physiology, hypertension is meant to be the condition that the mean arterial pressure is greater than the upper range of accepted no
【机 构】
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Department of Electrical Engineering National Tsing Hua University Taiwan
【出 处】
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BITs 2rd Annual World Cancer Congress of Cardiology-2010(201
论文部分内容阅读
In orthodox circulatory physiology, hypertension is meant to be the condition that the mean arterial pressure is greater than the upper range of accepted normality.Usually, the level normality of diastolic and systolic blood pressures is also given.According to statistics, approximately ninety percent of hypertensive patients are said to have essential hypertension.The ideas behind the drug treatments are either to increase the renal blood flow or decrease tubular reabsorption of salt and water.The mechanisms of them are to 1) block the active transport of sodium through the tubular wall, or 2) block the action of the rennin-angiotensin system on the renal vasculature, or 3) block the sympathetic transmitter substance on the renal vasculature, or 4) paralyze the smooth muscle of the renal vasculature.
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