Vascular Key Terms Abnormal

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  1. Greenfield filter (IVC filter)
    Placed in IVC to prevent the ascension of thrombus into the lungs
  2. 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.
  3. True aneurism
    Dilation of all three layers of the aorta, most aortic aneurisms are distal, don’t involve renal arteries
  4. Fusiform aneurysm
    Spindle-shaped dilatation
  5. Saccular aneurism
    Localized spherical outpouching of the vessel wall
  6. 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
  7. False aneurysm can mimic
    True aneurisms
  8. Pseudoaneurysms
    Commonly found in groin, resulting from catheters to common femoral artery, during angiographic procedures.
  9. Dissecting aneurysm
    Result of dissection of the intima away from the aortic wall, usually stat in the thoracic aorta
  10. Dissecting aneurysm type A
    Ascending thoracic aorta
  11. Dissecting aneurysm type B
    Starts in origin of the left subclavian artery
  12. Dissecting aneurysm sonographically
    Is seen as a septations dividing the aorta into a true lumen and a false lumen
  13. 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
  14. Retroperitoneal fibrosis: sonographically
    Smooth-marinated, hypoechoic soft-tissue mass encasing the aorta and IVC
  15. Diffuse lymphadenopathy of abdomen
    Layered or mantle appearance around vessels of the abdomen
  16. Lymphadenopathy
    Visualized anterior and posterior to vessels of the abdomen, creating sandwich sign
  17. Abdominal aortic aneurysm
    1.5 increase of normal diameter
  18. Arteriosclerosis
    • Disease of arterial vessels
    • Thickening, hardening, and loss of elasticity of arterial walls
  19. Atherosclerosis
    Irregularity of aortic wall because of plaque formation
  20. Budd-Charity syndrome
    Thrombosis of the hepatic veins
  21. Cavernous transformation of the portal vein
    Periportal collateral channels in patients with chronic portal vein obstruction
  22. Cystic medial necrosis
    Weakening of the arterial wall
  23. Fusiform aneurism
    Circumferential enlargement of a vessel with tapering at both ends
  24. Marfan’s syndrome
    Hereditary disorder of connective tissue, bones, muscles, ligaments and skeletal structures
  25. 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
  26. 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
  27. Saccular aneurism
    Localized dilation of the vessel
  28. Specular broadening
    Increased turbulence is seen within the spectral tracing that indicates flow disturbance
  29. TIPS
    Transjugular intrahepatic portosystemic shunt
  30. Tunica adventitia
    Outer layer of the vascular system, consists of vasa vasorum
  31. Tunica media
    Middle layer of the vascular system, arteries have thicker tunica media than veins
  32. Tunica intima
    Inner layer of the vascular system
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Vascular Key Terms Abnormal
2011-11-01 06:44:05
Vascular Key Terms Abnormal

Vascular Key Terms Abnormal
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