title: Cardiac function and the neonatal EKG. Part IV: Chamber enlargement and axis determination.
authors.forename: R
authors.initials: R
authors.lastname: Fuller
mesh_terms: D006332:Cardiomegaly / Q000175:diagnosis / Q000503:physiopathology*; D004562:Electrocardiography; D004594:Electrophysiology; D006329:Heart Conduction System / Q000502:physiology* / Q000503:physiopathology; D006801:Humans; D007231:Infant, Newborn