Osmosis video - Angiotensin II receptor blockers (ARBs): Nursing pharmacology

Angiotensin II receptor blockers (ARBs) are a type of medication used to treat mainly high blood pressure and congestive heart failures. ARBs work by blocking the action of angiotensin II, a hormone that causes blood vessels' smooth muscles to contract. This relaxation of the muscles allows blood vessels to widen and results in a decrease in blood pressure.