HYPERTENSION

Jun 22nd, 2015
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Alhambra Medical University
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A hypertensive emergency is severe hypertension (high blood pressure ) with acute impairment of organ system 9 especially the central nervous system , cardiovascular system and/or renal system ) and the possibility of irreversible organ damage.

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HYPERTENSIONINTRODUCTIONA hypertensive emergency is severe hypertension (high blood pressure ) with acute impairment of organ system 9 especially the central nervous system , cardiovascular system and/or renal system ) and the possibility of irreversible organ damage. In case of hypertensive emergency, the blood pressure should be lowered aggressively over minutes to hours with a hypertensive agent. Several classes of hypertensive agents are recommended and the choice of hypertensive agent depends on the cause for the hypertensive crisis, the severity of elevated blood pressure and the patient's usual blood pressure before the hypertensive crisis. In most cases, the administration of an intravenous Sodium Nitroprusside injection which has an almost immediate anti hypertensive effect is suitable but in many cases, oral agents are given like Captopril, Clonidine, Labetalol, Prazosin, which all have a delayed onset of action by several minutes compared to Sodium Nitroprusside, can also be used.DEFINITIONGenerally, the terminology describing hypertensive emergencies can be confusing. Terms such as hypertensive crisis, malignant hypertension, hypertensive urgency, accelerated hypertension and severe hypertensions are all used to=in the literature and often overlap.Hypertension (HTN) or high blood pressure is a chronic medical condition in which the blood pressure in the arteries is elevated. It is classified as either primary (essential) or secondary. Primary hypertension

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