calcium channel blocker

calcium channel blocker

noun Pharmacology.

  1. any of a group of drugs that prevent the influx of calcium into excitable tissues such as smooth muscle of the heart or arterioles, used in the treatment of angina, hypertension, and certain arrhythmias.


  1. any drug that prevents the influx of calcium ions into cardiac and smooth muscle: used to treat high blood pressure and anginaAlso called: calcium antagonist

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