Normal thoracic surface potentials.
D000293:Adolescent; D000328:Adult; D003201:Computers; D004562:Electrocardiography; D004566:Electrodes; D004594:Electrophysiology; D006321:Heart / Q000502:physiology*; D006352:Heart Ventricles; D006801:Humans; D008297:Male; D008875:Middle Aged; D013499:Surface Properties; D013909:Thorax