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Quiz: Doppler – Application of Color Doppler Imaging: 20-746123
Quiz: Doppler – Application of Color Doppler Imaging: 20-746123
20-746123
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*Technicians please put N/A
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V
VT
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(Use the following profession codes for this board: Veterinarian=V; Veterinarian Technician=VT) SELECT FROM DROPDOWN!
Quiz
Using Doppler interrogation we can get information about
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Blood flow velocity
Flow direction (away from / towards the transducer)
Concentration of red blood cells
PW-Doppler is used to detect
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Laminar/turbulent flow
Local blood flow velocities (provided there’s good alignment between Doppler beam and flow direction)
Maximum blood flow velocity along the whole Doppler beam
CW-Doppler is used to detect
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laminar/turbulent flow
Local blood flow velocities (provided there’s good alignment between Doppler beam and flow direction)
Maximum blood flow velocity along the whole Doppler beam
Important adjustments for Color Doppler are
(Required)
Size of color box
PRD/Nyquist limit
Focal zone
Using the maximum velocity from Spectral Doppler measurements, the pressure gradient (pressure difference) can be calculated as follows
(Required)
PG= vmax2 x 4
PG= vmax4 x 2
PG= vmax x 4 x 2
Δ
