title: The echocardiogram in right ventricular overload.
mesh_terms: D000293:Adolescent; D000328:Adult; D004452:Echocardiography; D006344:Heart Septal Defects, Atrial / Q000175:diagnosis*; D006345:Heart Septal Defects, Ventricular / Q000175:diagnosis*; D006801:Humans; D008875:Middle Aged