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A 46-year-old member asked:

What exactly does it mean if an ecg result is that you have "normal sinus rhythm with marked sinus arrhythmia"?

1 doctor answer2 doctors weighed in
Dr. ARMAN Askari
Internal Medicine - Cardiology 25 years experience
It's normal: This is a normal variant. Sinus arrhythmia is a normal phenomenon. It involves cyclic changes in heart rate during breathing. It suggests a healthy parasympathetic nervous system.

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Last updated Mar 8, 2018


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