What does it mean when your t waves are upside down? is it something to worry with?

EKG abnormalities: Inverted T waves are normal in some leads but abnormal in other leads. These T wave findings are nonspecific but may be seen in coronary artery disease, cardiac enlargement,many metabolic disturbances,etc. Your physician who knows all the findings and information about your condition is best qualified to determine the significance of the T wave inversions.