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Right Atrial Enlargement and Early Repolarization from EKG? - atrial enlargement

I had an ECG and a rhythm band played a few weeks ago, he had episodes of tachycardia at random. My doctor called me and told me I had the enlargement of the right atrium and the early repolarization and make an appointment for me with a cardiologist. I saw some things that a basic understanding so that I get an idea of what he said, but I have trouble understanding what are the side effects, risks or results are. I understand that my right atrium is enlarged, and I understand that the nodes make, my heart beat repolarization before my normal heart rhythm occurs, polarize, but you do not know what this might mean or what can you do or how a problem is because I still have consequences. I read that others are discovering the changes in the ECG, but it was an electrocardiogram and rhythm strips.

Any help?