What type of Doppler imaging has no specific pulse duration or sample volume area?
A) Strain imaging
B) Color Doppler
C) Pulsed wave
D) Continuous wave
Color Doppler imaging is a nonqualitative imaging method that assigns a color to blood ____________.
How are flow velocities changed to pressure gradients?
A) Using the Bernoulli equation.
B) Calculating the Nyquist limit.
C) Applying Poselli's law.
D) Multiplying the velocity by four.
The RA pressure (RAP) is estimated by ultrasound from the size and collapsibility of the _______________________.
A) superior vena cava (SVC)
B) inferior vena cava (IVC)
C) coronary sinus (CS)
D) right ventricular outflow (RVO)