title: aVR vs. -aVR: should aVR be left where it is?
authors.forename: John E
authors.initials: JE
authors.lastname: Madias
mesh_terms: D004562:Electrocardiography / Q000191:economics / Q000295:instrumentation* / Q000639:trends*; D004867:Equipment Design; D017048:Health Care Costs; D006331:Heart Diseases / Q000175:diagnosis / Q000503:physiopathology; D006801:Humans; D012680:Sensitivity and Specificity