title: Echocardiography (M-mode, 2-D and pulsed Doppler) in diagnosis of absent pulmonary valve syndrome.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D003937:Diagnosis, Differential; D004452:Echocardiography / Q000379:methods*; D005260:Female; D006801:Humans; D008297:Male; D011664:Pulmonary Valve / Q000002:abnormalities*; D013771:Tetralogy of Fallot / Q000175:diagnosis