Benign or dangerous: Some forms of tachycardia (fast heart beat) are life-threatening, others are not - though they can be quite annoying. If you have heart disease the odds are somewhat higher that it's a dangerous cause, but either way you need to see a doctor.
Answered 6/26/2017
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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