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cardioversion

noun

cardioversion is a noun meaning “The treatment of cardiac arrhythmia, either with medication or by use of a machine (a cardioverter) that delivers a controlled electric current” (English Wiktionary, September 2026). It is spelled C-A-R-D-I-O-V-E-R-S-I-O-N, and it appears about once in every 19 million words in written English (wordfreq, 2021 data). The plural of cardioversion is cardioversions.

What does cardioversion mean?

noun

  1. 1

    The treatment of cardiac arrhythmia, either with medication or by use of a machine (a cardioverter) that delivers a controlled electric current.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Forms of cardioversion

  • cardioversions plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

How common is cardioversion?

Cardioversion appears about once in every 19 million words in written English, the 133,440th most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

Cardioversion in Spanish, French, German and Portuguese

In the sense treatment of cardiac arrhythmia:

LanguageWords
Spanishcardioversión

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.

Where does cardioversion come from?

From cardio- (“heart”) + -version (“changing”). Compare reversion and conversion.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).