Pressure gradient.mean:PressDiff:Pt:Pulmonic valve:Qn:US.doppler
pressure gradient.mean:pressdiff:pt:pulmonic valve:qn:us.doppler
Pressure gradient.mean:PressDiff:Pt:Pulmonic valve:Qn:US.doppler
pressure gradient.mean:pressdiff:pt:pulmonic valve:qn:us.doppler