Pulsed Doppler echocardiography in the diagnosis of ventricular septal defect and patent ductus arteriosus.
D004374:Ductus Arteriosus, Patent / Q000175:diagnosis*; D004452:Echocardiography; D006345:Heart Septal Defects, Ventricular / Q000175:diagnosis*; D006801:Humans; D007223:Infant; D008297:Male