angiotensin II receptor blocker


Also found in: Medical, Acronyms.

angiotensin II receptor blocker

n. Abbr. ARB
Any of a class of drugs that reduce peripheral vascular resistance by inhibiting the action of the vasoconstrictor angiotensin II, used in the treatment of hypertension, heart failure, and other cardiovascular disorders. Also called angiotensin receptor blocker, angiotensin II receptor antagonist.
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