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Vascular sonography
Test 4 Abdominal Doppler Anatomy Part 1
| Question | Answer |
|---|---|
| With Abdominal Doppler what is evaluated? | Abdominal Aorta, Mesenteric arteries, Renal arteries & veins, Portal venous system, IVC, and Heptaic veins |
| What do you evaluate when you look at Mesenteric arteries? | Celiac axis, Heptaic artery, Splenic artery, and Superior mesenteric artery (SMA) |
| What do you evaluate when you look at the Portal venous system? | Portal vein, superior mesenteric vein (SMV) and splenic vein |
| What are som reason for evaluation and Doppler interrogation of the abdominal structures? | Aneurysms, Arterial Stenosis, Ischemia, HTN (portal or reno-vascular), Thrombosis, Budd-Chiari syndrome, TIPS evaluation, Graft evaluation, Transplant evaluation |
| What is the scanning technique with abdominal doppler? | PT is NPO (not dehydrated), 2-5 MHz TD (may need probe pressure to displace bowel gas), Supine PT (May need LLD or RLD for renal eval), |
| With an arterial assessment what doppler angle should be used? | 60 degree or less for Doppler interrogation |
| What should not be done with spectral waveform or color flow abdominal Doppler studies? | DO NOT INVERT |
| Where does the Abdominal Aorta begin? | At the level of the 12th thoracic vertebra (passes through the aortic hiatus) |
| What is the celiac artery? | AKA the Celiac trunk/ Celiac axis, First major anterior branch of the aorta, Gives rise to the hepatic, splenic and left gastric arteries |
| What is the superior mesenteric artery (SMA)? | Next anterior branch of aorta, Arises just below the celiac artery, and supplies most of the small intestine and some large intestine |
| What is the inferior mesenteric artery (IMA)? | Last anterior branch of aorta, Arises 3-4 cm above aortic bifucation, and mainly supplies the large intestine |
| What are the renal arteries? | Lateral branches of the aorta, Arise just below the SMA, Both R&L approach kidney posterior to renal veins |
| What is the difference between the Right and Left renal arteries? | Right is longer and slightly higher than left, Right courses posterior to IVC |
| What are the renal vasculature arteries? | Main renal artery (@ hilum), Segmental renal artery (renal sinus), Interlobar arteries, Arcuate arteries (renal cortex), Interlobar arteries |
| Where do the testicular or ovarian arteries arise? | Just below the renal arteries, Anterolateral branches of the aorta |
| Where do the lumbar arteries arise? | Posteriorly off the aorta |
| Where does the middle sacral artery arise from? | Just above the aortic bifurcation, single artery arising off the posterior aorta |
| Where is the IVC? | Courses through the abdomen to the right of the aorta. |
| What are the major tributaries of the IVC? | Renal veins (R&L), Heptaic veins (R, middle &L), Lumbar veins, and Ovarian or testicular veins |
| The left ovarian or testicular vein typically drains into the what? | Left renal vein |
| The hepatic artery carries ________ blood into the liver? | OXYGENATED |
| Hepatic artery carries ____ of total blood flow into the liver? | 30% |
| The portal vein carries the remaining ____ of blood into the liver? | 70% |
| Where is the portal vein formed? | At the junction of the splenic and Superior mesenteric veins (SMV) |
| Where does the portal vein begin? | Posterior to the neck of the pancreas and anterior to the IVC |
| Hepatic veins (Left, middle, and right) drain from ____ into the ______? | Drain from the liver into the IVC |
Created by:
EmilyGriffin
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