Exploratory electrocardiography: use of isopotential surface maps.
D000005:Abdomen / Q000502:physiology; D000200:Action Potentials; D002648:Child; D003203:Computers, Hybrid; D004562:Electrocardiography; D006321:Heart / Q000502:physiology*; D006344:Heart Septal Defects, Atrial / Q000503:physiopathology; D006801:Humans; D008722:Methods; D009040:Motion Pictures; D012119:Respiration; D013637:Tape Recording; D013909:Thorax / Q000502:physiology; D014672:Vectorcardiography