A member asked:

My son's heart while at rest or while sleeping beats at a normal rate but fluctuates in speed ever few seconds. kind of like a car's idle that surges.

A doctor has provided 1 answer
Dr. Johanna Fricke answered

Specializes in Pediatrics - Developmental and Behavioral

Chances are it's a : normal sinus arrhythmia, but his pediatrician needs to know his age, resting heart rate & other symptoms to perform a physical exam & determine if a pediatric cardiology consult is needed + 24-hour monitoring of his heart rate & rhythm. See http://www.heart.org/HEARTORG/Conditions/Arrhythmia/AboutArrhythmia/Types-of-Arrhythmia-in-Children_UCM_302023_Article.jsp#mainContent

Answered 6/6/2015

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