Atrial

//ˈeɪtɹi.əl// adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Of or pertaining to an atrium, especially the atrium of the heart. not-comparable

    "The most common type of irregular heartbeat is atrial fibrillation or AFib. It is estimated that between three and six million people in the United States have AFib."

Adjective
  1. 1
    of or relating to a cavity or chamber in the body (especially one of the upper chambers of the heart) wordnet

Example

More examples

"Atrial fibrillation happens when electrical impulses in two of the four chambers of the heart go into an irregular or chaotic pattern."

Etymology

From atrium + -al.

Related phrases

atrial fibrillationatrial natriuretic peptideatrial tachycardiaintra-atrialintra-atrial conduction timeparoxysmal atrial tachycardia

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.