Bruit in hemodialysis arteriovenous fistula

(A) Normal: The bruit is continuous and low pitched with both a systolic and diastolic component.

(B) With stenosis: The diastolic component of the bruit is shortened and may be absent or high pitched and may have a whistling component.

Courtesy of Gerald A Beathard, MD, PhD.

Graphic 138784 Version 1.0

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