Power Doppler is also called ________ Doppler. Color Spectral Tissue Amplitude

Power Doppler is also called Amplitude Doppler.

Explanation:

In ultrasound imaging, the term "Power Doppler" refers to a technique that evaluates the presence of blood flow based on the amplitude of the Doppler signal, rather than the frequency shift, which is what is typically evaluated in standard Doppler ultrasound or spectral Doppler. This method is particularly useful for visualizing lower velocity blood flow that may not be adequately represented by other forms of Doppler techniques.

Power Doppler detects the total power of the reflected ultrasound signals coming from moving red blood cells. As a result, it provides information about the vascularity of a tissue area without providing specific directionality of the flow. In contrast to color Doppler, which shows flow direction, Power Doppler is more sensitive to low flow states and can better represent the distribution of blood vessels in a given area. This makes it a valuable tool in assessing various pathologies where blood flow is involved.