Pulmonic flow/Systemic flow:VRatRto:Pt:Circulatory system.XXX:Qn:US.doppler.VTI+Aorta.calculated
pulmonic flow/systemic flow:vratrto:pt:circulatory system.xxx:qn:us.doppler.vti+aorta.calculated
Pulmonic/Systemic DOP.VTI+AO
pulmonic/systemic dop.vti+ao