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Fig. 2 | Renal Replacement Therapy

Fig. 2

From: An unusual case of arteriovenous fistula-related venous hypertension: sonographic detection of a culprit perforating vein with movie and compact review

Fig. 2

Longitudinal color Doppler ultrasound views of the perforating vein before (a) and after (b) the operation. a The color of the perforating vein shows that the flow is directed distally and deeply beyond the junction with the venae comitantes of the radial artery. Its flow signal disappears at the deep portion of the forearm. b Postoperative ultrasound showed antegrade flow through the distal perforating vein (arrowhead). The velocity scale is set to 30 cm/s. The ultrasound beam is angled to the right side of the screen. OF outflow to the upper arm, PV perforating vein, RA radial artery, VC vena comitans of radial artery

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Renal Replacement Therapy

ISSN: 2059-1381

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