... velocity/frequency, time, mean velocity, heart rate, RI, PI, S/D ratio, flow volume, area4) Basic Obstetrical Package: measurements include CRL ... /M, B/C, B/C/MC, B/D, B/P, B/C/D Image Orientation: Left/right B mode reversal and up/down ... modes2)3D & 4D Ultrasound Offer freehand 3-D ultrasound with user training toolsOffer 3-D viewing and editing slices to remove unwanted ...