title: Dependence of the diagnostic value of the electrocardiogram on the accuracy of its recording.
mesh_terms: D002908:Chronic Disease; D004562:Electrocardiography / Q000295:instrumentation*; D006321:Heart / Q000502:physiology; D006801:Humans; D011014:Pneumonia / Q000175:diagnosis; D012214:Rheumatic Heart Disease / Q000175:diagnosis