Doppler Effect and Measuring Velocity of Blood in the Circulation
In ultrasound, sonographers use Doppler Effect to measure a patient’s blood flow velocity. Red blood cells reflect sound waves produced by a…
Techniques to Avoid Aliasing: Use Continuous Wave Doppler
Avoiding aliasing is every sonographer’s goal in ultrasound imaging to get accurate and reliable information on a patient. There are…
Techniques to Avoid Aliasing: Lower frequency transducer or adjusting scale to its maximum
Most sonographers encounter aliasing with pulse spectral Doppler or color Doppler. Pulsed ultrasound doesn’t have a particular upper limit for…
Tips for Safe Operation of Diagnostic Ultrasound Equipment
A broad range of clinical applications, especially prenatal diagnosis, make use of diagnostic ultrasound. So far, there are no recorded…
