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A member asked:
Does sinus arrhythmia cause other serious arrhythmias?
2 doctors weighed in across 2 answers
It can: The basic problem is decreased blood flow thru the heart arteries and it is not isolated to the atria, it probably also is effecting the ventricles (the main pump) and may lead to more dangerous dysrhythmias.
Answered 8/1/2012
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No: Sinus arrhythmia is normal. It reflects the body's regulation of heart rate. It is often very prominent in young individuals. It does not require further evaluation or treatment.
Answered 2/23/2016
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