Ecg Results Abnormal T Wave. Detection of a slight deviation from the normal can be one of the causes of the abnormality. The normal T wave is usually in the same direction as the QRS except in the right precordial leads see V2 below.
Loss of precordial T-wave balance occurs when the upright T wave is larger than that in V6. These factors may be secondary or primary. Every time you see an ECG with a T wave or ST segment that is not normal.
ST-T wave abnormalities associated with paced beats.
T Wave Abnormalities Introduction. Results in prolonged QT. The T wave is the most labile wave in the ECG. Every time you see an ECG with a T wave or ST segment that is not normal.