antiarrhythmic

adjective
an·​ti·​ar·​rhyth·​mic | \ -(ˌ)ā-ˈrit͟h-mik How to pronounce antiarrhythmic (audio) \
variants: or anti-arrhythmic also antiarrhythmia or anti-arrhythmia \ -​(ˌ)ā-​ˈrit͟h-​mē-​ə How to pronounce antiarrhythmic (audio) \

Medical Definition of antiarrhythmic

 (Entry 1 of 2)

: controlling, inhibiting, or preventing cardiac arrhythmia an antiarrhythmic drug antiarrhythmic therapy

antiarrhythmic

noun
variants: also anti-arrhythmic

Medical Definition of antiarrhythmic (Entry 2 of 2)

: an agent (as a beta-blocker or calcium channel blocker) that controls, inhibits, or prevents cardiac arrhythmia

Learn More About antiarrhythmic

Dictionary Entries Near antiarrhythmic

antiapoptotic

antiarrhythmic

anti-arthritic

See More Nearby Entries 

Cite this Entry

“Antiarrhythmic.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/antiarrhythmic. Accessed 1 Jul. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Which Word Does Not Belong?

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!