Research topic:hypertension

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hypertension

A Dictionary of Nursing | 2008 | © A Dictionary of Nursing 2008, originally published by Oxford University Press 2008. (Hide copyright information) Copyright

hypertension (hy-per-ten-shŏn) n. high blood pressure, i.e. elevation of the arterial blood pressure above the normal range expected in a particular age group. Hypertension may be of unknown cause (essential h. or hyperpiesia). It may also result from disease (secondary or symptomatic h.), as of the kidneys (renal h.), endocrine system, or arteries. Complications that may arise from hypertension include atherosclerosis, heart failure, cerebral haemorrhage, and kidney failure. Most cases of hypertension depend upon long-term drug therapy to lower the blood pressure and maintain it within the normal range. The drugs used include thiazide diuretics, ACE inhibitors, and calcium-channel blockers. See also portal hypertension, pulmonary (hypertension).

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Related entries from encyclopedias, dictionaries, and thesauruses

Hypertension
Encyclopedia entry from: International Encyclopedia of the Social Sciences Hypertension Hypertension (high blood pressure) is a highly prevalent and largely symptomless...affects almost one in three adults living in industrialized nations. Hypertension is more prevalent among blacks than whites, with prevalence rates...
Renovascular Hypertension
Encyclopedia entry from: Gale Encyclopedia of Medicine, 3rd ed. Renovascular Hypertension Definition Renovascular hypertension is a secondary form of high blood pressure caused by a narrowing of the renal artery. Description Primary hypertension, or high blood pressure, affects millions of Americans...
Pulmonary Hypertension
Encyclopedia entry from: Gale Encyclopedia of Medicine, 3rd ed. Pulmonary Hypertension Definition Pulmonary hypertension is a rare lung disorder characterized by increased pressure...lungs where it picks up oxygen. Description Pulmonary hypertension is present when the blood pressure in the circulation...
Slavery Hypertension Hypothesis
Encyclopedia entry from: International Encyclopedia of the Social Sciences Slavery Hypertension Hypothesis Early in the twentieth...before chronic high blood pressure (hypertension) was even recognized as a serious...interest in the apparent absence of hypertension among indigenous black populations...
hypertension
Book article from: The Columbia Encyclopedia, Sixth Edition hypertension or high blood pressure, elevated blood...arterial blood vessels (arterioles). Hypertension is generally defined as a blood pressure...prehypertension. When the cause is unknown, the hypertension is called primary, or essential...

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