[an-tee-uh-rith -mik, -uh-rith-, an-tahy-]Pharmacology
of or relating to any substance that prevents, inhibits, or alleviates heartbeat irregularities.
any such substance, as lidocaine.
Origin of antiarrhythmic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Preventing or alleviating irregularities in the force or rhythm of the heart.
An antiarrythmic drug.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.