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NEW! Check our Vevo FAQs before submitting your query!

Can we get further assistance with system installation?

VisualSonics Service department is available...

What happens in the event of a power failure?

If power fails while the system is running...

What is the behavior in the event of a virus attack / hacker attack?

All current VisualSonics ultrasound products are closed systems...

What is the behavior in the event of a network failure?

The system does not require a connection...

How many volumes can I draw in a 3D image?

For 3D volumes drawn using the...

Can we add an anti-virus on the Vevo 3100 running Windows 10?

Generally, we recommend against installing anti-virus software...

Can uterine spiral arteries be visualized and measured in the mouse?

Yes! This is an advanced technique...

What is the best way to find the uterine artery for PW Doppler measurements?

The uterine artery can be located...

Can embryo staging be performed using the Vevo ultrasound system? What’s the earliest you can see embryos in a mouse using ultrasound?

Yes, embryo staging can be done throughout pregnancy and the pregnancy can be detected as early as gd 0.5...

Which cleaning agents can I use for cleaning the Vevo system and the transducers?

A list of approved cleaning and disinfection agents...

We collected data for 5.51 seconds however time in '.physio' file is 27.13 seconds; Why?

The system is collecting physio data on a constant basis in the background...

Once microbubbles are injected into an animal, how long does it take for them to clear?

This is physiologically dependent, however, on average...

What is the concentration of Vevo micromarker microbubbles once reconstituted, and how long are they stable?

Adding 0.7mL to the micromarker vial will leave you with a concentration...

What do I do if my PW Doppler signal gets cut-off and I can’t visualize the peak velocity?

This is a common occurrence when imaging the aorta in TAC models...

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 LAZR-X 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...

How can I improve my photoacoustic imaging signal at increased depths?

This is best achieved by adjusting the...

When performing a PA region analysis on a Oxy-Hemo Mode datasets, what is the difference between sO2 Avr and sO2 Avr Total? What is the difference between HbT Avr and HbT?

sO2 Avr measurements represent the...

I have generated a Spectro Mode region graph, but the ‘Save Spectrum’ button is grayed out and I am unable to save the spectral curve. Why?

If you do not have the full range...

What is the difference between the generic LV Trace and the LV Trace in PSLAX/SAX measurements package?

Only measurement taken from...

Can I create my own measurements in Vevo LAB?

You can create your own measurement packages...

I accidentally saved images from one mouse in another mouse’s series. Is there a way to move saved images between different series?

For future studies it is a good habit to...

Why is my zoom function in the lower left corner of the measurement panel not appearing when analyzing PW/tissue Doppler images?

This is due to the screen...

Can physiological data obtained while scanning an animal be analyzed?

Yes, within Vevo LAB you can perform...

How do I download a new or updated version of Vevo LAB software?

Our Vevo LAB software is available to download from our Customer Resource Portal within our website. From the VisualSonics website you can click on the “my account” tab on the top right. From there you can input your login information, or, you can register as a user if you have not already done so in the past. Please note, if you are registering as a new user there will be a slight delay on the back-end to get your account up and running...

Is Vevo LAB Mac-compatible?

No, however...

Is there a way to access my Vevo LAB data directly from my hard drive, or network drive?

There are two ways to access your data from Vevo LAB...

Why are the values for Fractional Shortening (FS) different between analysis in M-Mode and B-Mode?

The long axis LV trace calculates...

Is it possible to do strain analysis on EKV (ECG-gated Kilohertz Visualization) images?

Yes, it is possible, however...

Is it possible to measure diastolic strain?

By using the...

What type of ECG signal is provided by the Vevo system?

The current physio system...

Will AutoLV work without ECG input? Is there a workaround if there is no ECG data available?

Yes, it will work in M-Mode...

Do you have baseline “normal” echo values for various mouse/rat models?

For reference echocardiography data...

Why am I not able to visualize both E peak and A peak in mitral PW Doppler?

This is due to the high...

What formulas are used to calculate volume for Ejection fraction and other values in a long axis B-mode LV trace vs. short axis M-mode LV trace? Which formula is best?

Short axis M-mode uses the...

Where would I be able to find the formulas used for the calculation of various echo parameters?

If you would like to know what formulas are used for any of our measurements, you can find them...

Why are values for systolic function different between LV long axis and LV short axis M-mode images? Which image should I use to calculate LV systolic function?

​Long and short axis formulas make different geometric assumptions about the heart...

What is the difference between LV Mass vs LV Mass Corrected?

LV Mass Corrected multiplies the LV mass value by
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