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Chapter 16 abdominal Doppler
Terms in this set (55)
How many patients are affected by hypertension in the United States?
What is usually in the proximal renal artery is the most common etiology?
What occurs in the mid to distal segments of the renal artery in occurs most frequently in women?
Fibromuscular dysplasia FMD
The main renal arteries arise from what?
The right renal artery is posterior to what?
The right renal artery is ______ than the left renal artery?
Normal renal veins should demonstrate what flow?
What branches of the main renal arteries that enter through the renal Hilum?
Segmental renal artery's
What arise from the segmentals that they penetrate the renal parenchyma run between the renal medullary Pyramids?
______. arteries Branch from the interlobars?
Where do the interlobar arteries extend into?
The direct color duplex method integrate both what?
Renal arteries, aorta and Renal's
Spectral waveforms are obtained from the proximal mid and distal renal artery segments and also from the segmental renal arteries this method is called?
Direct color duplex method
What method integrates the segment or interlobar arteries of both kidney waveforms characteristics within the kidney or analyze for abnormality associated with main renal artery stenosis or Occlusion?
The indirect method
The What method is unlikely detect mean Renal artery stenosis and less it's severe more than 70% stenosis?
The indirect method
This is the highest peak systolic velocity of 10 in the renal artery divided by the PSV from the aorta proximal to the renal arteries
Renal aortic ratio RAR
Velocity is reduced and resistant is high in the main renal artery, segmental and interlobar arteries. These are present in what disease?
Renal parenchyma disease
The indirect method protocol measures acceleration time(AT), also called rise time(RT) and not the presences of the early systolic peak. Also Known as?
Segmental renal artery waveform consists of what?
ESP( Early systolic Peak) and acceleration time(AT) and velocity
When a kidney is transplanted they are typically attached to the ________ and ________.
Iliac artery, Vein
Mesenteric ischemia is very uncommon due to?
Extensive collateral pathways
Mesenteric ischemia is usually caused by?
Athero occlusive disease at vessel origins and or Embolization.
The Celiac, SMA, and IMA must all be involved for __________ to occur?
What vessel is the most mesenteric; that arises from the anterior surface of the aorta just below the diaphragm.
The Celiac axis gives rise to?
Let gastric artery, Splenic artery, Common hepatic artery.
What is the next branch of the aorta caudal to the Aorta caudal to the celiac?
SMA supples blood to the distal __________, ___________ and the ____________?
Duodenum, Small intestine, colon
In the transverse plane the left renal artery vein course under the ________?
The ______ ________ courses over the top of the SMA?
_____ Arises from the aorta distal to the renal arteries.
IMA supplies blood to the descending?
What artery allows communication between the celiac axis and the SMA
The SMV joins the splenic vein to form the __________ ________?
Mesenteric flow pattern in the celiac, hepatic and splenic arteries are ?
SMA and IMA flow patterns when fasting are?
SMA and IMA flow patterns when post prandium are?
During inspiration the celiac artery becomes trapped by the median arcuate ligament. This syndrome is called?
What system drains nutrient rich blood from the bowel and spleen into the liver?
After the aorta hepatis, the portal vein divides into what?
Right portal vein, Left Portal vein.
The portal veins normal flow velocity is?
Portal vein flow, flows in what direction?
Hepatopetal direction (Towards the liver)
Elevated pressure in the portal venous system is due to increase impedance of flow through the liver is?
These occur as collateral pathways when flow cannot pass through and out of the liver?
Common Porto-systemic shunts
What does TIPS stand for?
transjugular intrahepatic portosystemic shunt
A stent placement in the liver parenchyma between the portal vein and hepatic vein, the purpose is decompression of the portal venous system?
The hepatic veins drain into the _____ from the liver.
Right hepatic vein drains the?
Right hepatic lobe
Middle hepatic vein lies between?
left and right hepatic lobes
Left hepatic vein courses between the medial and the lateral segments of the?
The left and middle hepatic veins join before the ivc in _____ of individuals.
Hepatic veins ______ as they approach the diaphragm.
Normal hepatic blood flow should be?
Hepatofugal, pulsatile, exhibit respiratory variation.
What syndrome causes Stenosis or obstruction of the hepatic veins that drain into the liver.
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