Trouble eith breath: At your age, the most likely cause is a panic attack, which can happen even when you are not anxious about anything in particular. Your pediatrician can rule out medical causes of these symptoms.
Answered 5/9/2013
5.3k views
Fast heart rate: This may be "supraventricular tachycardia". Talk with your doctor - rule out anemia, too much thyroid etc and you may need 30 days os event monitoring.
Answered 1/14/2018
5.3k views
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