Ultrasound ABD 01 Vein

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nikon90sss
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Ultrasound ABD 01 Vein
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2011-11-15 12:58:53
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Ultrasound ABD 01 Vein
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Ultrasound ABD 01 Vein
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  1. CT
    Divides to left gastric, common hepatic and Splenic artery
  2. Common hepatic artery
    Divides to proper hepatic and gastroduodenal arteries
  3. SMA and Splenic vein
    Join to form Main portal vein
  4. Greenfield filter (IVC filter)
    Placed in IVC to prevent the ascension of thrombus into the lungs
  5. IVC filter –Ultrasound
    Location is determined by ultrasound inferior to renal vein, can detect complications: thrombosis around the filter or perforation around the filter or through IVC wall that may be associated with retroperitoneal hematoma.
  6. Celiac axis brunches (3)
    Common hepatic artery, left gastric artery, splenic artery
  7. True aneurism
    Dilation of all three layers of the aorta, most aortic aneurisms are distal, don’t involve renal arteries
  8. Fusiform aneurysm
    Spindle-shaped dilatation
  9. Saccular aneurism
    Localized spherical outpouching of the vessel wall
  10. False aneurysm (pseudoaneurysms)
    Injury to the vessel wall where blood extravasates from vessel, the blood surrounding the vessel is retained and walled off by the surrounding tissues

    Can mimic true aneurisms

    Commonly found in groin, resulting from catheters to common femoral artery, during angiographic procedures.
  11. Dissecting aneurysm
    Result of dissection of the intima away from the aortic wall, usually stat in the thoracic aorta

    • Type A - Ascending thoracic aorta
    • Type B - Starts in origin of the left subclavian artery

    Is seen as a septations dividing the aorta into a true lumen and a false lumen
  12. Ascending lumbar veins
    Branches of the common iliac veins, parallel the spine, and posterior to psoas muscle, superior to the diaphragm
  13. Right ascending lumbar vein
    Continues as the azygos vein
  14. Left ascending lumbar vein
    Continues as the hemiazgos vein
  15. Gonadal arteries
    Originate symmetrically from the aorta, below the origin of the renal arteries
  16. Right gonadal vein
    Drains the right ovary or testicle, inserts into the right side of the IVC below the right renal vein
  17. Left gonadal vein
    Drains the left ovary or testicle, inserts into the left renal vein, that drains into the IVC
  18. Retroperitoneal fibrosis (RPF)
    Dense, fibrosis tissue proliferation that is confined to the paravertebral and central abdominal region at the fourth or fifth lumbar vertebra, overlying the aortic bifurcation
  19. Retroperitoneal fibrosis: sonographically
    Smooth-marinated, hypoechoic soft-tissue mass encasing the aorta and IVC
  20. Diffuse lymphadenopathy of abdomen
    Layered or mantle appearance around vessels of the abdomen
  21. Lymphadenopathy
    Visualized anterior and posterior to vessels of the abdomen, creating sandwich sign
  22. Main portal vein
    Splenic vein and SMA join at the confluence adjacent to the head of the pancreas to form MPV
  23. Right renal artery and right adrenal gland location to IVC
    Posterior to the IVC
  24. IVC location to pancreas
    Posterior to head of pancreas
  25. Abdominal aortic aneurysm
    1.5 increase of normal diameter
  26. Anastomosis
    Communication between two blood vessels without any intervening capillary network
  27. AO - aorta
    • Largest arterial structure in the bod Arises from left ventricle
    • Supply blood to the head, upper and lower extrimeties, and abdoninopelvic cavity
  28. Arteries
    Vascular structure that carry blood away from the hear
  29. Arteriosclerosis
    Disease of arterial vessels

    Thickening, hardening, and loss of elasticity of arterial walls
  30. Arteriovenous fistula
    Comunication between an artery and vein
  31. Atherosclerosis
    Irregularity of aortic wall because of plaque formation
  32. Budd-Charity syndrome
    Thrombosis of the hepatic veins
  33. Capillaries
    Minute vessels that connect the arterial and venous system
  34. Cavernous transformation of the portal vein
    Periportal collateral channels in patients with chronic portal vein obstruction
  35. Common hepatic artery
    Arises from the celiac trunk to supply the liver
  36. Common iliac arteries
    Bifurcations of abdominal aorta at the level of umbilicus into common iliac arteries for blood supply of lower extremities
  37. Cystic medial necrosis
    Weakening of the arterial wall
  38. Dissecting aneurysm
    Tear in intima or intima and media of the abdominal aorta
  39. Doppler sample volume
    Selection of exact site of Doppler signal record
  40. Fusiform aneurism
    Circumferential enlargement of a vessel with tapering at both ends
  41. GDA - gastroduodenal artery
    Branch of common hepatic artery that supplies stomach and duodenum
  42. HV - hepatic veins
    Three large veins that drain the liver and empty into IVC at the level of the diaphragm
  43. Hepatofugal
    Away from the liver
  44. Hepatopedal
    Towards the liver
  45. IMA - Inferior mesenteric artery
    Arises from anterior aortic wall at the level of third or fourth lumbar vertebra to supply the left transverse colon, descending colon, and rectum
  46. IMV – Inferior mesenteric vein
    Drains the left third of the colon and upper colon joins the splenic vein
  47. IVC – Inferior vena cava
    Largest venous abdominal vessel that conveys blood from body below the diaphragm to the right atrium of the heart
  48. LGA – Left gastric artery
    Arises from the celiac axis to supply the stomach and lower third of the esophagus
  49. LRA – Left renal artery
    Arises from the posterolateral wall of the aorta directly to hilus of the kidney
  50. LRV – Left renal vein
    • Leaves the renal hilum, travels anterior to aorta and posterior to the superior mesenteric artery to enter the
    • lateral wall of the IVC
  51. Marfan’s syndrome
    Hereditary disorder of connective tissue, bones, muscles, ligaments and skeletal structures
  52. Nonresistive
    Vessels that have high diastolic component and supply organs that need constant perfusion (internal carotid artery, hepatic artery, renal artery)
  53. PV – Portal vein
    Formed by union of the superior mesenteric vein and splenic vein near the porta hepatis of the liver
  54. Portal venous hypertension
    Most commonly results from intrinsic liver disease, also arises from obstruction of the portal vein, hepatic vein, IVC, or prolonged congestive heart failure. Many cause flow reversal to the liver, thrombosis of portal vein system, or cavernous transformation of the portal vein
  55. Pseudoaneurysm
    Pulsatile hematoma that results from leakage of blood into soft tissues abutting the punctured artery with fibrous encapsulation and failure of vessel wall to heal
  56. Resistive
    Vessels that have little or reversed flow in diastole and supply organs that do not need a constant blood supply (external carotid artery and brachial arteries)
  57. Resistive index
    Peak systole minus peak diastole divided by peak systole

    A RI of 0.7 or less is good perfusion

    A RI of 0.7 or higher indicates decreased perfusion
  58. RGA – Right gastric artery
    Supplies stomach
  59. RHA – Right hepatic artery
    Supplies gallbladder via cystic artery
  60. RRA – Right renal artery
    Arises from the lateral wall of the aorta, travels posterior to the IVC to supply the kidney
  61. RRV – Right renal vein
    Leaves the renal helium to enter the lateral wall of the IVC
  62. Saccular aneurism
    Localized dilation of the vessel
  63. Specular broadening
    Increased turbulence is seen within the spectral tracing that indicates flow disturbance
  64. SA – Splenic artery
    Arises from the CT to supply the spleen
  65. SV – Splenic vein
    Drains the spleen, travels horizontally across the abdomen, posterior to pancreas, joins the SMV to form the PV
  66. SMA – Superior mesenteric artery
    Arises inferior to the celiac axis to supply the proximal half of the colon and the small intestine
  67. SMV – Superior mesenteric vein
    Drains the proximal half of the colon and small intestine, travels vertically, anterior to the IVC, joins the splenic vein to form the portal veins
  68. TIPS
    Transjugular intrahepatic portosystemic shunt
  69. Tunica adventitia
    Outer layer of the vascular system, consists of vasa vasorum
  70. Tunica media
    Middle layer of the vascular system, arteries have thicker tunica media than veins
  71. Tunica intima
    Inner layer of the vascular system
  72. Vasa vasorum
    Tiny arteries and veins that supply the walls of blood vessels
  73. Veins
    Collapsible vascular structures that carry blood back to the heart

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