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Vascular
Diagnostic Medical Sonography
62
Medical
Not Applicable
03/12/2012

Additional Medical Flashcards

 


 

Cards

Term
The first branch of the abdominal aorta
Definition
celiac axis
Term
If the celiac artery is occluded, collateralization occurs through the ? arterial system
Definition
parcreaticoduodenal
Term
? follows the portal vein and common bile duct and divides into the right and left hepatic arteries with in the liver
Definition
proper hepatic a
Term
? courses toward the anterior lateral surface of the pancreatic head
Definition
GDA
Term
? is located between the common bile duct and the portal vein
Definition
RHA
Term
? is the second branch off the abdominal aorta arising anteriorly
Definition
SMA
Term
Responsible for supplying blood to the small intestine, pancreatic head, cecum, ascending colon, and transverse colon
Definition
SMA
Term
Right renal artery courses ? to the inferior vena cava before entering the right kidney
Definition
posterior
Term
Supplies blood to the left half of the transverse colon, descending colon, sigmoid flexure, and the greater part of the rectum
Definition
IMA
Term
formed by joining of both brachiocephalic veins in the upper chest
Definition
SVC
Term
blood from the upper extremities drains into the
Definition
Rigth Atrium
Term
formed by the superior mesenteric vein (SMV) and the splenic vein (SV)
Definition
PV
Term
drains nutrient rich blood from the intestines, spleen, stomach, gallbladder, and pancreas
Definition
PV
Term
flow into the liver (toward)
Definition
hepatopetal
Term
flow out of the liver (away)
Definition
hepatofugal
Term
normal flow of the portal system is
Definition
hepatopetal
Term
empties the small intestine and parts of the colon
Definition
SMV
Term
left renal vein courses ? to the aorta and ? to the SMA to enter the IVC on its lateral aspect
Definition
anterior
posterior
Term
risk factors for venous system
Definition
Previous thrombosis
Liver disease
Cancer
Prevalence in family history
Term
risk factors for arterial system
Definition
Diabetes
Smoking
Hypertension
hyperlipidema
Term
At the stenosis site what will the Doppler waveform look like
Definition
there is little or no flow diastole
Term
direct approach involves Doppler interrogation along the ?
Definition
entire length of the main renal artery
Term
indirect approach involves evaluation of ?
Definition
the segmental or interlobar arteries within the kidney
Term
The right renal artery passes underneath the IVC and ? to the right renal vein
Definition
posterior
Term
The left renal vein passes between the ? and ?
Definition
Ao and SMA
Term
To evaluate the right renal artery, the patient is rolled into ?
Definition
a left decubitus position
Term
The resistive index is less than
Definition
0.70
Term
The site of stenosis is usually at the junction of the ?
Definition
renal artery and aorta
Term
The term ? refers to any tissue transplanted from one human to another
Definition
allografts
Term
The renal allograft is almost always placed in the ?
Definition
right or left iliac fossa
Term
The most common vascular complication of renal transplantation is ?
Definition
arterial stenosis
Term
with vascular occlusion of a renal allograft, will the kidney appear larger or smaller
Definition
larger
Term
high-velocity flow in the artery that feeds the AV fistula
Definition
visible bruit
Term
Most pseudoaneurysms in renal allografts occur within the ?
Definition
renal parenchyma
Term
is most commonly associated with endocarditis and lymphoma
Definition
splenic infarction
Term
Splenic infarction is ?echoic and usually wedge shaped
Definition
hypo
Term
Splenic vein thrombosis is often see with ?
Definition
portal vein thrombosis
Term
The normal portal vein diameter is highly variable but does not exceed ?
Definition
16mm
Term
An increase in diameter of the PV can be associated with ?
Definition
portal hypertension
Term
The normal PV waveform is ?
Definition
monophasic
Term
The normal range of PV is ? cm/sec
Definition
12-20 cm per sec
Term
A low velocity of the PV is associated with ?
Definition
portal hypertension
Term
? connects the portal vein directly to the right hepatic vein with an expandable metal shunt
Definition
TIPS
Term
velocity of a PV stent should be between ?
Definition
1-2m/s
Term
? drain the liver into the IVC and can be seen as having hepatofugal flow
Definition
Hepatic veins
Term
The hepatic venous waveforms are seen as ?
Definition
triphasic
Term
main hepatic artery arises from the celiac axis and carries oxygenated/deoxygenated blood to the liver from the aorta
Definition
oxygenated
Term
Another clue to compromised portal venous flow is that the ? may demonstrate increased flow velocity
Definition
HA
Term
increase liver echogenicity
Definition
Fatty infiltration
Fibrosis
Cirrhosis
Chronic hepatitis
Cystic fibrosis
Term
decreased liver echogenicity
Definition
Acute hepatitis
AIDS
Leukemia
Toxic shock syndrome
Can be normal, particularly in young patients
Term
Focal liver lesion that may be malignant ? has 80% of reoccurring post-transplant
Definition
>3 cm
Term
The ? is vital to graft success as it is the sole vascular supply to the biliary system
Definition
hepatic artery
Term
PV stenosis causes steadily increasing/decreasing spleen size
Definition
increasing
Term
GDA is a branch of the ? a and supplies the stomach and duodenum
Definition
CHA
Term
? = small branch supplying the caudate and LLL
Definition
left hepatic a
Term
arteries that supply the under surface of the Ao
Definition
phrenic a
Term
SV runs along the ? of the pancreas
Definition
posteromedial border
Term
anterior border of the pancreas
Definition
SA
Term
with PV hypertension, the portal flow becomes ?
Definition
hepatofugal
Term
nonresistive vessels have a ? diastolic flow
Definition
high
Term
Resistive vessels have ? diastolic flow
Definition
little/reversal in diastole
Term
thin cortex is predictive of ?
bright renal sinus is predictive of ?
Definition
end stage renal failure
acute renal failure
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