A member asked:

8 yr old diagnosed with sinus arrhythmia. how high of a heart rate is too high? his heart rate is 150-165 bpm just putting shoes and coat on. he is alays out of breath. diagnosed asthma but wondering.

4 doctors weighed in across 2 answers
Dr. John Chiu answered

Check thyroid: Possibly from an overactive or cardiac issue(mitral valve). Need to see a cardiologist if asthma is under control.

Answered 8/22/2016

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Dr. John Munshower answered

Specializes in Family Medicine

Too high: A sustained heart rate of 150-165 with activities of daily living is too high and needs to be evaluated and treated asap. Assure he gets to see a pediatric cardiologist for a medical evaluation and the proper treatment. Best wishes to you.

Answered 1/14/2014

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