title: Effect of intracardiac blood on the electrocardiogram.
mesh_terms: D000818:Animals; D001769:Blood; D004285:Dogs; D004553:Electric Conductivity; D004562:Electrocardiography; D004594:Electrophysiology; D006321:Heart / Q000502:physiology*; D006400:Hematocrit; D006801:Humans; D008722:Methods; D013499:Surface Properties; D014672:Vectorcardiography