pathological condition characterized by the values \u200b\u200bof higher than normal blood pressure. There are two basic forms of hypertension: the essential or primary, of which there are no known specific cause, and the secondary, which occurs as a result of some other pre-existing disease.
blood pressure can be promossa da molti fattori diversi. Tra questi vi possono essere una predisposizione genetica, il sovrappeso, un eccesso di sodio o una carenza di potassio nella dieta, l'assunzione di bevande alcoliche in quantità eccessive, una vita sedentaria e stress psicologico.
Un individuo viene definito iperteso quando la sua pressione arteriosa sistolica o massima è superiore a 160 mmHg e quella diastolica o minima è superiore a 95 mmHg; questi valori, tuttavia, variano in continuazione, per cui prima di confermare una diagnosi di ipertensione la pressione deve essere misurata più volte.
La terapia viene in genere prescritta da un medico generico e può contemplare misure preventative conducting some exercise and a diet low in saturated fat, salt and alcohol and rich instead of potassium, calcium, magnesium and fiber, although the smoke does not directly affect blood pressure, it helps to increase the risk of stroke and heart attack.
commonly used antihypertensive drugs, prescribed alone or in combination, are beta-blockers, calcium channel blockers, ACE inhibitors and diuretics some .
Only 10% of cases of hypertension is a secondary or symptomatic and is caused by diseases of the kidneys by hormonal problems or taking regular medication such as oral contraceptives. Generally treat the underlying cause of this type of hypertension should reduce events.
hypertension in pregnancy is one of the symptoms of gestosis and preeclampsia, two conditions which can have serious consequences for both mother and fetus. Among the therapeutic measures include the administration of antihypertensive drugs and, in severe cases, the induction of premature labor.
"Hypertension," Microsoft ® Encarta ® Online Encyclopedia 2008http: / / it.encarta.msn.com © 1997-2008 Microsoft Corporation. All rights reserved.
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