Atrial fibrillation (AF or A-fib) is the most common abnormal heart rhythm. It may cause no symptoms, but is often associated with palpitations, fainting, chest pain, or congestive heart failure. The cause of an individual`s AF may not be identified. AF may be identified clinically when taking a pulse, and its presence can be confirmed with an el....
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http://en.wikipedia.org/wiki/Atrial_fibrillation
irregular rhythm of contraction of the muscles of the atrium, the upper chamber of the heart. In some cases the fibrillations are not noticed by the ... [4 related articles]
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http://www.britannica.com/eb/a-z/a/121
Contents • Types of atrial fibrilation • Causes • Who is risk? • Signs and symptoms • Diagnosis • Treatment • Prevention • Living with atrial fibrillation Atrial fibrillation, or AF, is the most common arrhythmia. An arrhythmia is a problem with the speed...
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cardiac fibrillation, limited to the atria, generally leading to ventricular arrhythmia
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is a very common abnormality of heart rhythm about 10% of people over the age of 70 have it. When this occurs, the top chambers of the heart the atria beat in a chaotic fashion, called fibrillation. It may be treated with drugs. For further information see the HRIdocument on Atrial fibrillation.
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<cardiology> A condition where there is disorganised electrical conduction in the atria, resulting in ineffective pumping of blood into the ventricle. ... Acronym: AF ... (02 Jan 1998) ...
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Condition where the atria of the heart contracts in an uncoordinated and ineffective manner (they look like a quivering bag of worms) As the beating rhythm of the ventricles is set by the atria the pulse is erratic - The erratic rhythm itself - In the past rheumatic fever was the usual cause of atrial fibrillation. In modern times, ischaemic heart …
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Irregular pulse arising from the atria
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Type: Term Definitions: 1. fibrillation in which the normal rhythmic contractions of the cardiac atria are replaced by rapid irregular twitchings of the muscular wall; the ventricles respond irregularly to the dysrhythmic bombardment from the atria. Synonyms: ataxia cordis
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http://www.medilexicon.com/medicaldictionary.php?t=33072
Our Atrial fibrillation Main Article provides a comprehensive look at the who, what, when and how of Atrial fibrillation Atrial fibrillation: Abnormal irregular heart rhythm with chaotic generation of electrical signals in the atria of the heart. Familiarly called atrial fib.Common Misspellings: atrial fibrilation
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Condition in which the two small upper chambers of the heart, the atria, quiver instead of beating effectively. Although atrial fibrillation is not in itself considered life-threatening, people with it are at an increased risk for blood clots and stroke. (Read about 'Arrhythmia' 'Stroke')
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Arrhythmia characterized by irregular, disorganized, chaotic changes in the electrical activity of the upper chambers of the heart, resulting in abnormal contractions.
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http://www.thehorse.com/Glossary.xhtml?L=A
[
n] - fibrillation of the muscles of the atria of the heart
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http://www.webdictionary.co.uk/definition.php?query=atrial%20fibrillation
atrial fibrillation Extremely rapid, incomplete contractions of the atria (a chamber affording entrance, especially one of the upper chambers on either side of the heart, which receive blood from the body and transmit it to the ventricles) resulting in fine, rapid, irregular, and uncoordinated movements.
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http://www.wordinfo.info/words/index/info/view_unit/819/
an irregular heartbeat in which the upper chambers of the heart (the atria) beat inconsistently and rapidly
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https://www.encyclo.co.uk/local/20875
noun fibrillation of the muscles of the atria of the heart
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https://www.encyclo.co.uk/local/20974
a very fast and irregular beating of the atria (the upper two chambers of the heart).
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https://www.stanfordchildrens.org/en/topic/default?id=glossary---cardiovasc
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