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Meaning of ATRIAL FIBRILLATION

 
WordNet Dictionary
 
 Definition: 
[n]  fibrillation of the muscles of the atria of the heart
 
 See Also: arrhythmia, cardiac arrhythmia, fibrillation

 

 

Medical Dictionary
 
 Definition: A disorder of heart rhythm in which the normally regular contractions of theatria of the heart are replaced by rapid and random twitchings, resulting in irregular and usuallyfaster than usual contractions of the ventricles.
 
Biology Dictionary
 
 Definition: Rapid irregular twitchings of the wall of the atrium (chamber) of the heart.
 

 

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