My heart started to beat fast from last September the first EKG I did was normal the second one a month later showed sinus tarchycardia. I don't know what is causing I I did routine load works and my doctor found nothing unusual what do I do next?
A 48 hour heart rate monitor (called a 'Holter monitor') may be helpful in tracking your heart rate over time. EKG's provide a 30 second snapshot whereas a Holter provides information on average heart rate over 2-3 days.
Remember that temporary increases in heart rate are normal in response to increased physical activity of any kind and also stress/anxiety.
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