Cardiologist Questions Sinus arrhythmia

Is sinus arrhythmia serious?

I was asking my doctor about how my pulse changes during my breathing exercises, and he said it has to do with sinus arrhythmia. Is sinus arrhythmia serious?

3 Answers

No
No
No. Sinus arrhythmia is a variation of normal, and is not associated with pathology.