calcium channel blocker

noun

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

First Known Use of calcium channel blocker

1977


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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