title: A QRS in frontal plane (F.P.) and Q in I & aVF.
mesh_terms: D006332:Cardiomegaly / Q000503:physiopathology; D004562:Electrocardiography; D006321:Heart / Q000502:physiology*; D006801:Humans; D009203:Myocardial Infarction / Q000503:physiopathology