from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An irregularity in the force or rhythm of the heartbeat.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An irregular heartbeat.

from The Century Dictionary and Cyclopedia

  • n. In pathology, irregularity. Also spelled arhythmia.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. an abnormal rate of muscle contractions in the heart


New Latin, from Greek arruthmiā, lack of rhythm, from arruthmos, unrhythmical : a-, without; see a-1 + rhuthmos, rhythm; see rhythm.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Ancient Greek ἄρρυθμος (arruthmos), via New Latin arrythmia. (Wiktionary)


  • "The term arrhythmia refers to any change from the normal sequence of electrical impulses, causing abnormal heart rhythms.

    Auburn Journal - Top Stories

  • (An arrhythmia is an irregular heart beat caused by a problem with the heart's built-in electrical system.)

    Heart Palpitations

  • Multaq was approved for short-term arrhythmia lasting less than six months.

    NYT > Home Page

  • Based on the results of these tests, the pediatric cardiologist will determine whether your child has an arrhythmia, which is an irregular heart beat caused by a problem with the heart's built-in electrical system.

    Heart Palpitations

  • The only way it could affect your heart, and even this is a stretch, is if you peed so much that you lost too many electrolytes and your heart went into arrhythmia, which is not what happened here.

    Archive 2009-06-01

  • BLAKEY: Again, the American College of Cardiology says that these defibrillators are 99 percent effective at avoiding sudden death from arrhythmia, which is what apparent the doctors believe the vice president is suffering from.

    CNN Transcript Jun 30, 2001

  • "I think she got such a shock over Portia's death that her heart went into a dangerous arrhythmia, which is an irregular heartbeat, and she didn't recover," said Mrs Sugliano, who also lost her father in December last year. - Telegraph online, Daily Telegraph and Sunday Telegraph

  • May 26th, 2009 LONDON - YouGov Survey Reveals Low Awareness of Potentially Fatal Heart Condition That Affects Significant Number of People in UK LONDON, May 27/PRNewswire/-- As many as 700,000 people in the UK suffer from a heart abnormality called arrhythmia, a potentially fatal condition, which the majority of Londoners have never heard of - according to a recent survey conducted by YouGov [1].

    Gaea Times (by Simple Thoughts) Breaking News and incisive views 24/7

  • Abnormal heartbeats, called arrhythmia, or slower or faster heartbeats, called bradycardia and tachycardia, respectively, are dangerous medical conditions which often appear as a result of an underlying condition. love and the heart is also called a Valentine.

    Conservapedia - Recent changes [en]

  • Cardiac arrhythmia occurs when these signals are not correctly generated or forwarded.



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  • noun. Any disturbance in the rhythm of a pirate's heartbeat.

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