A 28-year-old male asked:
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what is the definition or description of: beta-blocker?

1 doctor answer
Dr. John Garner
15 years experience Cardiology
Anti-adrenaline: A beta blocker is a medication which prevents adrenaline-like compounds from connecting to the "beta adrenergic receptors" in the body. Beta-1 receptors affect heart squeeze, relaxation and rhythm and are usually the primary target. Medicines like metoprolol and atenolol work only on this receptor. Other "nonselective" beta blockers block beta-1 and beta-2, with or without other effects as well.
Answered on Jan 19, 2014
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