Medical Dictionary
hypertension
noun hy·per·ten·sion \ˈhī-pər-ˌten-chən\
Medical Definition of HYPERTENSION
1
: abnormally high arterial blood pressure that is usually indicated by an adult systolic blood pressure of 140 mm Hg or greater or a diastolic blood pressure of 90 mm Hg or greater, is chiefly of unknown cause but may be attributable to a preexisting condition (as a renal or endocrine disorder), that typically results in a thickening and inelasticity of arterial walls and hypertrophy of the left heart ventricle, and that is a risk factor for various pathological conditions or events (as heart attack, heart failure, stroke, end-stage renal disease, or retinal hemorrhage)—see essential hypertension, secondary hypertension, white coat hypertension
2
: a systemic condition resulting from hypertension that is either symptomless or is accompanied especially by dizziness, palpitations, fainting, or headache
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