Frequently Asked Questions

Frequently Asked Questions answered by our Scientific Applications Specialists.

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Can I measure pulse wave velocity (pulse propagation velocity) using your system?
Yes, pulse propagation velocity (PPV) can be measured using our Vevo Vasc software...
What is the difference between Color Doppler and Power Doppler?
Color Doppler gives information about directional blood flow and velocity, whereas...
Why is PW Doppler velocity reported as negative?

PW Doppler takes into account blood flow directionality.

How do I locate the renal artery?
The renal artery and renal vein...
How can I differentiate between artery vs vein?
There are three techniques that can be used...
How can I track tumor metastasis using your system?
Our Vevo F2 LAZR-X20 photoacoustic imaging system enables targeted molecular imaging using exogenous contrast agents...
Can I measure tumor hypoxia with the Vevo system?
Yes, oxygen saturation can be easily measured using our Vevo LAZR-X photoacoustics system...
How can I distinguish tumor from healthy tissue?
It depends on the type of tumor and how far along it has progressed...
I am interested in imaging orthotopic pancreatic tumors. Is this possible with your system?
Yes, a number of groups have published on the use of Vevo high frequency ultrasound to monitor and quantify pancreatic tumor growth...
Can I monitor changes in tumor vascularity using your system?
Yes, tumor vascularity can be assessed using 3D color/power Doppler...