
Rev 1.1 VisualSonics Vevo 2100 Imaging System Operator Manual 387
Appendix A: Measurement package protocols
Choroid Thickness Choroid thickness mm Linear B-Mode
Sclera Thickness Sclera thickness mm Linear B-Mode
Retina Thickness Retina thickness mm Linear B-Mode
Retinal Artery Velocity Retinal artery velocity mm/s Velocity PW Doppler
Retinal Vein Velocity Retinal vein velocity mm/s Velocity PW Doppler
Vascular Measurement Package
This section provides the measurements and calculations information for the protocols in the
Vascular measurement package.
Abdominal Aorta and Inferior Vena Cava protocol
Measurement definitions
Label Description Units Generic type Mode
AA Vel Abdominal aorta peak velocity mm/s Velocity PW Doppler
AA Diam Abdominal aorta diameter mm Linear B-Mode
AA Diam Abdominal aorta diameter mm Depth M-Mode
AA VTI Abdominal aorta velocity time integral cm VTI PW Doppler
Peak Vel Abdominal aorta peak velocity cm VTI PW Doppler
Mean Vel Abdominal aorta mean velocity mm/s VTI PW Doppler
Peak Grad Abdominal aorta peak gradient mmHg VTI PW Doppler
Mean Grad Abdominal aorta mean gradient mmHg VTI PW Doppler
IVC Vel Inferior vena cava peak velocity mm/s Velocity PW Doppler
IVC Diam Inferior vena cava diameter mm Linear B-Mode
IVC Diam Inferior vena cava diameter mm Depth M-Mode
Mesenteric Arteries protocol
Measurement definitions
Label Description Units Generic type Mode
SMA PSV Superior mesenteric artery peak systolic velocity mm/s Velocity PW Doppler
SMA EDV Superior mesenteric artery end diastolic velocity mm/s Velocity PW Doppler
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