SVT: It's possible that you have a supraventricular tachycardia (or other arrhythmia), but it's also possible that it's simply sinus tachycardia (normal heart rhythm, elevated due to stress or fever). If you can anticipate a spell (eg when you're sick), ask your doc for a 24 hour holter recorder to document exactly what your heart rhythm is doing.
Answered 10/30/2013
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