Hypertension: Difference between revisions - Wikipedia

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Hypertension is classified by cause as either [[Essential hypertension|primary (essential) hypertension]] or [[secondary hypertension]]; about 90–95% of cases are categorized as primary hypertension which means high blood pressure with no obvious underlying medical cause.<ref name="pmid10645931">{{cite journal |author=Carretero OA, Oparil S |title=Essential hypertension. Part I: definition and etiology |journal=Circulation |volume=101 |issue=3 |pages=329–35 |date=January 2000 |pmid=10645931 |url=http://circ.ahajournals.org/content/101/3/329.long |doi=10.1161/01.CIR.101.3.329|last2=Oparil }}</ref> The remaining 5–10% of cases categorized as secondary hypertension is caused by otheridentifiable conditions thatsuch affectas thekidney kidneysdisease, narrowing of the aorta or kidney arteries, heart or endocrine systemdisorders such as excess aldosterone or excess cortisol.

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