Changes in the body's QRS surface potentials produced by alterations in certain compartments of the nonhomogeneous conducting model.
D003201:Computers; D003203:Computers, Hybrid; D004562:Electrocardiography; D006329:Heart Conduction System / Q000502:physiology*; D006400:Hematocrit; D008168:Lung / Q000502:physiology; D008962:Models, Theoretical; D010496:Pericardium / Q000502:physiology; D011199:Potentiometry; D013909:Thorax / Q000502:physiology