Bioconcepts - hypertension

a group of peptides activated by renin that elevate blood pressure through a variety of mechanisms including increasing arteriolar smooth muscle tone

pertaining to the brain

a sudden neurologic deficit without seizure lasting longer than one day, commonly called a stroke

any disease of the brain caused by a pathologic process that affects the cerebral blood vessels

a special form of x-ray imaging that produces serial images of the body cut into adjacent planes or sections

computerized tomography

swelling of tissue

a CVA associated with cerebral infarction caused by clot fragments that break off thrombi situated in sites outside the brain such as the left side of the heart, aorta, or carotid arteries

primary hypertension

a CVA associated with rupture of an artery within the brain

consistently abnormally high blood pressure

cellular enlargement

idiopathic hypertension

a protein produced by the kidneys that converts angiotensin precursors into biologically-active peptides

hypertension caused by a specific disease or process

the most common form of CVA that results when parts of clots, often associated with atherosclerosis, within major blood vessels of the brain break off and suddenly interrupt blood supply to portions of the brain

a temporary episode of neurologic dysfunction lasting less than one day caused by cerebral ischemia