Too late: You are already worried. Fast heart rate can come from feeling anxious or nervous. It could also come from caffeine, dehydration, anemia, thyroid problems, heart problems or other things. I recommend seeing a doctor for a more thorough evaluation.
Answered 12/9/2013
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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