Week 5 - Doppler Controls Flashcards
(12 cards)
An on-axis vessel will be what?
open on both ends
You should steer the doppler beam in the _______ direction as the vessel
same
What should you do if the vessel is more vertical than horizontal?
steer the beam vertically
What are two characteristics for good volume size?
small size and center stream
What should you do to eliminate speckles outside the waveform?
Overgain, then turn down
How big should your waveform be>
fill at least half the scale
the baseline should be _______ for arteries and ______ for veins
low, high
Why should you leave room below the baseline when sampling arteries?
to observe reversed flow
What is the doppler angle?
the angle between the doppler beam and the flow direction
How should the doppler angle cursor be oriented?
parallel to the walls of the vessel
What does PSV stand for?
peak systolic velocity
What does EDV stand for?
End diastolic velocity
