Color map baselines are represented by__________.
The color box/ steering box always needs to be slanted in or…
The color box/ steering box always needs to be slanted in order to obtain color in a vessel.
Doppler instruments present information on the ____.
Doppler instruments present information on the ____.
The maximum detectable blood flow speed with Doppler ultraso…
The maximum detectable blood flow speed with Doppler ultrasound is determined by aliasing.
What is the arterial pressure measured at the finger when th…
What is the arterial pressure measured at the finger when the patient fully extends an arm toward the sky? The standing B/P was 100mmHg.
In color flow Doppler, multiple sample gates positioned in t…
In color flow Doppler, multiple sample gates positioned in the area of interest are termed:
The frequency where aliasing occurs is called ______.
The frequency where aliasing occurs is called ______.
The decreased pressure in regions of high flow speed is know…
The decreased pressure in regions of high flow speed is known as _____.
Higher operating frequencies produce larger Doppler shifts.
Higher operating frequencies produce larger Doppler shifts.
Contrast agents produce echoes because the impedance of the…
Contrast agents produce echoes because the impedance of the suspended particles is similar to the suspending medium.