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
4.6k views
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
4.6k views
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A doctor has provided 1 answer
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