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What is a sinus arrhythmia?

Sinus arrhythmias are abnormal heart rhythms that start at the sinus node. They commonly cause irregular heartbeats in children, but they can affect adults too. Respiratory sinus arrhythmia is not a major health concern, but it may need monitoring. Find out about the symptoms, types, and outlook for sinus arrhythmia.

Source: MedicalNewsToday.com