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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
 
The same muscle damage can also interfere with the conduction of electrical impulses through the heart, thereby increasing the chance that a subsequent life-threatening arrhythmia will occur.
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The intracardiac electrograms for each ICD-detected arrhythmia were reviewed by an electrophysiologist (M.
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