title: Postectopic U wave normalization.
abstract: Postectopic normalization of inverted U waves, a previously undescribed phenomenon, provides another parallel to T wave behavior.
mesh_terms: D005117:Cardiac Complexes, Premature / Q000175:diagnosis* / Q000503:physiopathology; D004562:Electrocardiography; D004594:Electrophysiology; D006331:Heart Diseases / Q000175:diagnosis* / Q000503:physiopathology; D006801:Humans; D008297:Male; D008875:Middle Aged