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Diagnostic ultrasound ( PDFDrive )

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CHAPTER 27 Peripheral Vessels 999

A

B

C

FIG. 27.52 Preoperative Mapping Ultrasound Meeting Criteria

for Arteriovenous Fistula (AVF) Placement. (A) Arterial evaluation:

radial artery diameter of 0.28 cm (cursors). (B) Mild medial calciication

in arterial wall (arrows) does not preclude AVF placement. (C) Normal

triphasic radial artery spectral waveform.

FIG. 27.53 High Brachial Artery Bifurcation. Radial and ulnar arteries

(A) and accompanying paired veins (V).

FIG. 27.54 Preoperative Mapping Ultrasound Meeting Criteria

for Arteriovenous Fistula (AVF) Placement. Venous evaluation: cephalic

vein in the midforearm is 0.27 cm (+ cursors). Anterior vein wall depth

is 0.18 cm from skin (X cursor).

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