calcium channel blocker

noun
|Updated on: 20 Aug 2018

Definition of calcium channel blocker

: any of a class of drugs (such as verapamil) that prevent or slow the influx of calcium ions into smooth muscle cells and are used especially to treat some forms of angina pectoris and some cardiac arrhythmias

Recent Examples of calcium channel blocker from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'calcium channel blocker.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of calcium channel blocker

1977

in the meaning defined above

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Medical Dictionary

calcium channel blocker

noun

medical Definition of calcium channel blocker

: any of a class of drugs (as verapamil) that prevent or slow the influx of calcium ions into smooth muscle cells especially of the heart and that are used especially to treat some forms of angina pectoris and some cardiac arrhythmias called also calcium blocker

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