Aorta, Mesenteric, Hepatoportal Flashcards
What is the speed limit of blood?
125
What angle should the doppler signal be at in the abdomen?
0-60 degrees
What is the measurement of blood flow when the heart is pumping (sytole)?
PSV
What is the measurement of blood flow when the heart is relaxing (diastole)?
EDV
What is it called when there is lots of flow during both systole and diastole?
low resistant
What is it called when there is flow during systole and only a little flow during diastole?
high resistant
T/F: a complete aortic duplex is always completed prior to a mesenteric duplex
True
What are the three mesenteric vessels?
Celiac axis, SMA, IMA (not seen well on U/S)
What is the first branch off the abdominal aorta?
celiac axis
What are the 3 branches of the celiac axis?
common hepatic artery, splenic artery, left gastric artery
Should celiac axis and branches be low or high resistant?
low
What is the 2nd branch off of the abdominal aorta?
SMA
What does the SMA supply?
large and small bowel
What should the SMA waveform look like on a fasting patient?
high resistant
What should a SMA waveform look like on a pt who has eaten?
low resistant
What is flow that is towards an organ and delivering nutrient/oxygen rich blood?
hepatopetal flow
What vessel is an example of hepatopetal flow?
PV and HA
Is hepatopetal flow above or below baseline?
above
What flow is away from organ and removing deoxygenated blood?
hepatofugal flow
What vessels have heaptofugal flow?
hepatic veins
Is hepatofugal flow above or below baseline?
below
What ‘windows’ can the PV be viewed from?
anterior and intercostal
When viewing the PV from the ant window, what is the color?
blue
When viewing the PV from the intercostal window, what color is it?
red
