See this post from not so long ago ...
http://www.cardiofiles.net/v234have-inverted-t-waves-
on-the-front-of-the-heart.-what...-555716.html
It is very important to remember that a lot of the abnormalities reported on an EKG (ECG - same thing), especially if reported by the software in the machine, may actually mean nothing at all. Don't jump to any conclusions based on an EKG alone ... A lot of things reported by the machine in particular are "suggestions" that the machine makes to the doctor.
Inverted T waves can result from the stress from having the test itself and in a child they may be totally normal.
Let the doctor decide if there's a problem there that needs further investigation. He will look at the inverted-T waves in the context of the rest of the ECG, and your history and what brought you to the point of needing the ECG.
A lot of the abnormalities seen on an ECG are pointers to possible problems. It's kind of like saying that you hear a knock from the back corner of your car. You can't determine what it actually is until you look closer at the back corner of your car! Like a stone in your tire, or a brake fault! One insignificant, one potentially dangerous. That's how it often is with just an ECG. A good heart diagnostician can glean more from the patterns on the ECG traces adding them all together to come up with a diagnosis ... but something like inverted-T waves on its own doesn't say a lot.
