The maximum Doppler shift frequency that can be sampled without aliasing is called
Frame rate is determined by penetration depth and:
Frame rate is determined by penetration depth and:
In a stenosis, the pressure is ____________ the proximal and…
In a stenosis, the pressure is ____________ the proximal and distal values.
Color Doppler imaging is a term used to describe
Color Doppler imaging is a term used to describe
The Doppler shift is the difference between __________ and _…
The Doppler shift is the difference between __________ and ______________ frequencies.
Duplex imaging combines gray scale with Doppler and can appe…
Duplex imaging combines gray scale with Doppler and can appear as
Both the color and a point spectrum in a stenosis show high-…
Both the color and a point spectrum in a stenosis show high-frequency aliasing. One strategy for removing the aliasing involves
The Doppler shift frequency is
The Doppler shift frequency is
Tissue-equivalent phantoms attempt to represent some acousti…
Tissue-equivalent phantoms attempt to represent some acoustic property of ______________.
A study designed to determine if there is an association bet…
A study designed to determine if there is an association between an adverse effect in a population and an exposure to a particular agent is a(n):