PSAX Doppler Protocol Flashcards
what do you do differently for PSAX AV colour than PLAX
Zoom for PSAX
PSAX AV colour box should be wider than ____
AV annulus
can you see regurg with PSAX AV Colour
yes
simultaneous biplane colour AV
shows PLAX/PSAX same time (only some machines can do this and its not many)
PSAX Colour IAS (not in SAIT protocol) we want to lower colour scale to ____
40cm/sec
PFO
patent foramen ovale
PSAX TV Colour we will ____ and have the colour box just as wide as the ___
sector down
annulus
PSAX TV CW cursor will be placed ______ or ____ if no jet
center of TR jet
TV coaptation zone
PSAX TV CW has baseline set _____ with ____m/sec below baseline even if no TR is seen
1/4 from top
2.4m/sec
when do we measure a jet for PSAX TV Colour
is a parabolic jet is seen
up to ____ of us have some TR
80%
PSAX PV Colour has PR seen as a ____ on the _____ side of the PV
red flame
RVOT
PSAX RVOT/PV Spectral doppler shows ___ and __
PR
RVOT
PR (AKA, ____ velocities, PW/CW)
pulmonary insufficiency
high
CW
RVOT (____ velocities, PW/CW)
slower
PW
PSAX PV PW has sample volume ___ on the RV side of the PV
5mm
PSAX PV PW has baseline __
higher than mid (not by a lot)
what do we look for on PSAX PV PW to know we are near the valve
closing click
what do we measure in the PSAX PV PW
PAT
PAT what/AKA
Pulmonary acceleration time
AKA RVAcT
we want a ____ sweep to measure PAT
fast
PAT is used to calculate the _______
meanPA pressure
normal PAT
> 120 ms
PSAX RVOT PW asses the _____ velocity
RV outflow