How often do you see an ECG that is just a little off? Maybe the T wave is flat, oddly-shaped or inverted. Maybe the ST segment is coved, very minimally-depressed or shows some J point elevation.

or deep symmetric inverted T waves are seen in the precordial leads. Both of these ECG findings are indicative of a severe proximal left anterior descending stenosis (acute or chronic).

ECG interpretation in athletes requires careful analysis to ... These include findings suggestive of cardiomyopathy such as T-wave inversion, ST depression, pathological Q-waves, left axis deviation ...

Positive and negative peaked T waves with high amplitude were detectable in the preclinical 12-lead ECG. Additionally, a first-degree AV block was present (P waves merging with preceding T waves).