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arrhythmia
(redirected from atrial arrhythmia)

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arrhythmia

Disturbance of the normal rhythm of the heart. There are various kinds of arrhythmia, some benign, some indicative of heart disease. In extreme cases, the heart may beat so fast as to be potentially lethal and surgery may be used to correct the condition.

Extra beats between the normal ones are called extrasystoles; abnormal slowing is known as bradycardia and speeding up is known as tachycardia.

Arrhythmias are responsible for 250,000 sudden deaths in the USA each year.



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? Mentioned in ? References in periodicals archive
 
David Schwartzman, associate professor of medicine and director of the Atrial Arrhythmia Center at the University of Pittsburgh Medical Center, and principal investigator for the Concerto AT study.
Medtronic Initiates ''Concerto AT'' Study in United States; ... by Business Wire
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