EDAN SonoTrax Vascular Doppler 8Mhz Review 

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The EDAN SonoTrax Vascular Doppler 8Mhz is a handheld Vascular Doppler device with built-in audio-playback features. Of course, just like most handheld Dopplers, it is small and completely portable, it can also be connected to earphones for better audio-output or even a recorder for documentation of pulse readings.  


There’s not much that differentiates the EDAN SonoTrax from other handheld vascular dopplers. Overall, it offers these following features: 

  • Backlit LCD Display  
  • Small and Portable design  
  • Built-in Audio Recorder (can also connect to external Recorder) 
  • Earphone Jack for connecting earphones for greater audio quality 
  • Compatible with waterproof 8Mhz probes for underwater fetal heartbeat analysis 
  • Automatic power-off feature to save battery 

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Tests Performed 

The EDAN SonoTrax Vascular Doppler 8Mhz performs just like any other handheld vascular doppler. Of course, it is completely manual in its application. The physician will have to get dual ankle readings one after the other, and only after the patient has been sufficiently rested in a supine position. 

It comes with an 8Mhz Doppler Probe, which is the standard used for surface-level vessels. However, it is also compatible with other types of probes. Including waterproof probes that can be used for the analysis of fetal heartbeat. Outside of that, it also comes with an earphone jack for connecting to earphones and recorders — for better audio analysis and a built-in backlit display.  

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EDAN SonoTrax Vascular Doppler 8Mhz Review 

The EDAN SonoTrax Vascular Doppler 8Mhz has a solid base. It works just how any handheld device should, and it adds its own innovative twists that help improve the overall capabilities of the handling physician. Of course, it cannot be expected to surpass the available features on a bigger and thus more feature-rich packed machine. However, it does just fine at challenging other available portable ABI machine solutions in the market.   

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Technical Specifications 

  • Backlit Monitor Display 
  • Interchangeable Probes (8Mhz Attachment provided) 
  • Earphone Jack for connecting earphones and external recorder 
  • Alkaline Batteries 

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Pros and Cons 

A list of pros and cons of the EDAN SonoTrax Vascular Doppler 8Mhz Device.  

  • Primarily, the EDAN SonoTrax was created for on-the-go ABI analysis, and it does this well. It’s portable, small, and it comes with a primary 8Mhz attachment that is perfect for analyzing surface-level arteries and blood vessels. 
  • The built-in backlit display also makes it convenientallowing you to get clear readings no matter the availability of light. 
  • It’s also compatible with earphones and external recorders, in order to help improve audio-quality for those that are hard of hearing. 
  • All in all, it’s packed with a lot of small but convenient features that makes it an effective handheld doppler.   

  • Unfortunately, no matter how good of a Handheld Doppler it is, that won’t change the fact that it is low-spec in comparison to most of the newer machines in the market. Especially portable machines capable of automated pulse volume waveform analysis.  

4.5 Total Score


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