<unk> <unk>  T wave<unk>  refer to<unk>  in the T waves (such as inversion or flattening) and<unk><unk> s (such as<unk>  depression) on the electrocardiogram that due not follow an anatomic distribution and are not diagnostic of any one condition.
Nonspecific ST-segment and T-wave changes
Sine wave pattern
T wave alternans
Tombstone ST elevation
U wave alternans
Peaked T waves
Inverted P wave
PR interval alternans