The EKG reading can be a normal variant, and not require further workup unless there are clinical symptoms or history suggest cardiac involvement and that would include abnormal T waves.
However, the T wave may show changes during myocardial ischemia (vessel blockage...symptoms coulod be chest pain, shortness of breath, etc. as well as electrolyte imbalance (not a cardiac problem). If right or left atrial enlargement were present, there would be an abnormal P wave with chest leads.
You shouldn't be concerned based on the information provided.