title: Significance of electrocardiographic changes in hypertension.
mesh_terms: D001794:Blood Pressure; D002302:Cardiac Output; D006332:Cardiomegaly / Q000209:etiology*; D004562:Electrocardiography; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D006973:Hypertension / Q000150:complications* / Q000503:physiopathology; D005082:Physical Exertion