Is 'antiarrhythmic' a noun or an adjective?

It can be both. As a noun: 'He takes an antiarrhythmic.' As an adjective: 'antiarrhythmic therapy'.

What are the main classes of antiarrhythmic drugs?

They are commonly classified by the Vaughan Williams system into Class I (sodium channel blockers), II (beta blockers), III (potassium channel blockers), IV (calcium channel blockers), and others.

Can antiarrhythmic drugs be dangerous?

Yes. Paradoxically, some antiarrhythmics can be 'proarrhythmic,' meaning they may worsen or cause new, sometimes life-threatening, arrhythmias. Their use requires careful monitoring.

Is this a word an average person would know?

No. It is a specialized medical term. Most people would say 'heart rhythm medication' or use a specific drug name (like 'flecainide' or 'amiodarone').

Is “antiarrhythmic” formal?

Antiarrhythmic is usually specialized medical/clinical in register.

How do you pronounce “antiarrhythmic”?

Antiarrhythmic: in British English it is pronounced /ˌæntiəˈrɪðmɪk/, and in American English it is pronounced /ˌæntiəˈrɪðmɪk/ /ˌæntaɪəˌrɪðˈmɪk/. Tap the audio buttons above to hear it.

antiarrhythmic: meaning, definition, pronunciation and examples

low

UK/ˌæntiəˈrɪðmɪk/US/ˌæntiəˈrɪðmɪk/ /ˌæntaɪəˌrɪðˈmɪk/

specialized medical/clinical

My Flashcards

Quick answer

What does “antiarrhythmic” mean?

A substance or treatment that prevents or corrects an irregular heartbeat.

Audio

Pronunciation

Definition

Meaning and Definition

A substance or treatment that prevents or corrects an irregular heartbeat.

Any agent (pharmacological, electrical, or surgical) used to suppress or manage cardiac arrhythmias, including atrial fibrillation, ventricular tachycardia, and other disorders of heart rhythm.

Dialectal Variation

British vs American Usage

Differences

No significant meaning difference. Spelling is consistent. Usage frequency is identical in medical contexts.

Connotations

Purely technical, clinical term with no regional connotative differences.

Frequency

Exclusively used in cardiology, pharmacology, and general medical practice. Virtually never encountered in everyday conversation in either variety.

Grammar

How to Use “antiarrhythmic” in a Sentence

The cardiologist prescribed [an antiarrhythmic].[Antiarrhythmic drugs] are used to control [heart rhythm].This medication has [antiarrhythmic] effects.

Vocabulary

Collocations

strong

antiarrhythmic drugantiarrhythmic agentantiarrhythmic medicationantiarrhythmic therapyantiarrhythmic effectantiarrhythmic propertiesclass III antiarrhythmic

medium

prescribe an antiarrhythmicrespond to antiarrhythmicspotent antiarrhythmicintravenous antiarrhythmic

weak

new antiarrhythmiceffective antiarrhythmicoral antiarrhythmic

Examples

Examples of “antiarrhythmic” in a Sentence

adjective

British English

The patient was started on an antiarrhythmic regime.
The device has antiarrhythmic capabilities.

American English

She was placed on antiarrhythmic medication.
The study evaluated the antiarrhythmic effect of the new compound.

Usage

Meaning in Context

Business

Extremely rare; might appear in pharmaceutical company reports or investor briefings.

Academic

Common in medical, pharmacology, and cardiology textbooks, journals, and lectures.

Everyday

Virtually never used unless a patient is discussing their specific cardiac medication with a doctor.

Technical

Core term in cardiology, emergency medicine, pharmacology, and electrophysiology.

Vocabulary

Synonyms of “antiarrhythmic”

Strong

antiarrhythmic agentantiarrhythmic drug

Neutral

arrhythmia treatmentrhythm-control drug

Weak

heart rhythm medicationcardiac rhythm drug

Vocabulary

Antonyms of “antiarrhythmic”

proarrhythmic (tending to cause arrhythmias)

Watch out

Common Mistakes When Using “antiarrhythmic”

Misspelling: 'antiarhythmic' (missing an 'r'), 'antiarythmic' (wrong 'y'), 'anti-arrythmic' (incorrect hyphenation).
Mispronunciation: Stressing the wrong syllable (e.g., an-ti-AR-rhyth-mic).

FAQ

Frequently Asked Questions

: It can be both. As a noun: 'He takes an antiarrhythmic.' As an adjective: 'antiarrhythmic therapy'.
: They are commonly classified by the Vaughan Williams system into Class I (sodium channel blockers), II (beta blockers), III (potassium channel blockers), IV (calcium channel blockers), and others.
: Yes. Paradoxically, some antiarrhythmics can be 'proarrhythmic,' meaning they may worsen or cause new, sometimes life-threatening, arrhythmias. Their use requires careful monitoring.
: No. It is a specialized medical term. Most people would say 'heart rhythm medication' or use a specific drug name (like 'flecainide' or 'amiodarone').
: A substance or treatment that prevents or corrects an irregular heartbeat.
: Antiarrhythmic is usually specialized medical/clinical in register.
: Antiarrhythmic: in British English it is pronounced /ˌæntiəˈrɪðmɪk/, and in American English it is pronounced /ˌæntiəˈrɪðmɪk/ /ˌæntaɪəˌrɪðˈmɪk/. Tap the audio buttons above to hear it.

Learning

Memory Aids

Mnemonic

Think: ANTI- (against) + ARRHYTHMIC (irregular rhythm). It fights against an irregular heart rhythm.

Conceptual Metaphor

A PACEMAKER FOR CHEMISTRY: The drug acts as an internal regulator, imposing order (regular rhythm) on chaos (irregular beats).

Practice

Quiz

Fill in the gap

After the episode of atrial fibrillation, the cardiologist decided to initiate therapy.

Multiple Choice

What is the primary function of an antiarrhythmic?