Signs
 

Arteriovenous Fistulas

Bookmark

Overview

  • An anastomosis between an artery and vein in the arm, created in order to dilate the vein for use in haemodialysis.
    • Look For

    • Location of fistula - radiocephalic (forearm) / brachiocephalic (AC fossa), upper arm transposed basilic fistula
    • Skin - rash, depigmentation, scars, ulceration
    • Inflammation - erythema, swelling, tenderness
    • Distal ischaemia - pain, pallor, pulselessness, paralysis, paraesthesia, poikilothermia Steal syndrome - vascular insufficiency
    • Feel For

    • Consistency - soft, easily compressible
    • Thrill - soft, continuous palpable thrill
    • Hyperpulsatility - outflow obstruction
    • Auscultate For

    • Normal bruit - soft, low-pitched hum
    • High-pitched bruit Stenosis
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Want more info like this?
  • Your electronic clinical medicine handbook
  • Guides to help pass your exams
  • Tools every medical student needs
  • Quick diagrams to have the answers, fast
  • Quizzes to test your knowledge
Explore
   
 
Feedback