Hemorrhage of AV fistula

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Clinical Features

Differential Diagnosis




See Also

External Links


Hemorrhage of AV fistula

  • Potentially life-threatening
  • Can result from aneurysms, anastomosis rupture, or over-anticoagulation
  • Control bleeding w/ pressure applied to puncture site for 5-10min; observee for 1-2hr
  • Types
    • Aneursym (true)
      • Most are asymptomatic; rarely rupture
    • Pseudoaneurysm
      • Results from subcutaneous extravasation of blood from puncture sites
      • Bleeding from puncture site is usually controlled by digital pressure or subq suture
      • Consider vascular surgery consultation for continued bleeding or infection
      • Arterial Doppler US studies can identify the aneurysm or pseudoaneurysm