An enhanced version, called a color Doppler ultrasound, translates the speed of blood flow into different colors. Both are useful in detecting vascular abnormalities like blood clots. The same ...

slow blood flow. 1 Depending on the type of ultrasound machine, power Doppler ultrasonography can be much more sensitive or only slightly more sensitive than color Doppler ultrasonography.

Ultrasound: The detection of blood clot in your veins can be diagnosed with the help of an ultrasound scan. A Doppler ultrasound (a special type of ultrasound) detects the flow of blood through a ...