What is Medication, beta-blocker?

Alpha blocker: A drug that blocks receptors in arteries and smooth muscle. This action relaxes the blood vessels and leads to an increase in blood flow and a lower pressure...

Angiotensin receptor blocker: Angiotensin II receptor blockers ( ARBs) are medications that block the action of angiotensin II by preventing angiotensin II from binding.See: Angiotensin...

Bed blocker: A patient who uses a hospital bed for a long period of time because they are chronically ill. The patient inadvertently blocks the use of the bed by...

Beta adrenergic blocking agents: A class of drugs, also called beta blockers, that block beta-adrenergic substances such as adrenaline (epinephrine), a key agent in...

Beta agonist: See: Beta-agonist.

Beta blocker: A class of drugs that block the effect of beta-adrenergic substances such as adrenaline (epinephrine), that play a key role in the sympathetic portion of...

Beta carotene: A vitamin that acts as an antioxidant, protecting cells against oxidation damage. Beta carotene is converted by the body to vitamin A. Food sources of...

Beta cell: A type of cell in the pancreas. Within the pancreas, the beta cells are located in areas called the islets of Langerhans where they constitute the predominant type...

Blocker, beta adrenergic: A class of drugs, also more simply called beta blockers, that block beta-adrenergic substances such as adrenaline (epinephrine), a key agent...

Calcium channel blocker: A drugthat blocks the entry of calcium into the muscle cells of the heart and the arteries. It is the entry...