Defect.pressure gradient.systole.max:PressDiff:Pt:Heart.ventricle.septum:Qn:US.doppler
defect.pressure gradient.systole.max:pressdiff:pt:heart.ventricle.septum:qn:us.doppler
Ventricular septal Defect.pressure gradient.systole.maximum by US.doppler
ventricular septal defect.pressure gradient.systole.maximum by us.doppler