parasystole

noun
para·​sys·​to·​le | \ -ˈsis-tə-(ˌ)lē How to pronounce parasystole (audio) \

Medical Definition of parasystole

: an irregularity in cardiac rhythm caused by an ectopic pacemaker in addition to the normal one

Learn More About parasystole

Dictionary Entries Near parasystole

parasyphilis

parasystole

parataxic

See More Nearby Entries 

Cite this Entry

“Parasystole.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/parasystole. Accessed 27 Jun. 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!