title: The origin of premature ventricular complexes--role and limitations of the 12-lead electrocardiogram.
mesh_terms: D002037:Bundle-Branch Block / Q000175:diagnosis; D005117:Cardiac Complexes, Premature / Q000175:diagnosis*; D002304:Cardiac Pacing, Artificial; D003327:Coronary Disease / Q000175:diagnosis*; D003937:Diagnosis, Differential; D004562:Electrocardiography / Q000379:methods*; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans