title: Multiple crystal echocardiographic evaluation of endocardial cushion defect.
mesh_terms: D000293:Adolescent; D006332:Cardiomegaly / Q000175:diagnosis; D002648:Child; D002675:Child, Preschool; D004452:Echocardiography / Q000295:instrumentation*; D006330:Heart Defects, Congenital / Q000175:diagnosis*; D006343:Heart Septal Defects / Q000175:diagnosis; D006344:Heart Septal Defects, Atrial / Q000175:diagnosis; D006352:Heart Ventricles / Q000473:pathology; D006801:Humans; D007223:Infant; D008943:Mitral Valve / Q000033:anatomy & histology; D009206:Myocardium / Q000473:pathology; D011187:Posture; D014159:Transducers; D014463:Ultrasonography