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Arteriovenous fistula
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Arteriovenous fistula

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Contributors: Ryan Hoefen MD, PhD
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Synopsis

Abnormal connection between arteries and veins that may be congenital, surgically induced for hemodialysis or as a rare complication from cardiac catheterization, or acquired from traumatic penetrating injury, infection, or malignancy. Acquired forms typically occur in lower extremities, and with long-standing fistulas, symptoms of edema and limb ischemia can occur. Many fistulas repair spontaneously and only require observation, but surgical repair or ultrasound-guided compression is indicated for symptomatic patients.

Codes

ICD10CM:
I77.0 – Arteriovenous fistula, acquired

SNOMEDCT:
439470001 – Arteriovenous Fistula

Differential Diagnosis & Pitfalls

Best Tests

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References

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Last Updated: 09/14/2016
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Arteriovenous fistula
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Arteriovenous fistula : Fatigue, Edema, Unilateral leg edema
Imaging Studies image of Arteriovenous fistula
Color and spectral Doppler image of a renal transplant status post biopsy. There is a focal region of color in the lower pole with low resistance spectral waveform, consistent with arteriovenous fistula.
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