"Volume flow across the feeding brachial artery for arteriovenous fistula and along the PTFE graft is measured by machine-based software using the formula (area x mean velocity x 60, where the area is the cross-sectional area of the vessel in cm2)."
"radiocephalic AV fistula"
"brachiocephalic AV fistula"
"brachiobasilic transposition AV fistula"
Expected headings
"Types of vascular access"
"Temporary"
"Permanent"
"Non-surgical"
"Surgical"
"Minimally invasive"
"Radiographic assessment"
"Preoperative assessment"
"Venous ultrasound"
"Arterial ultrasound"
"Postoperative assessment"
"AVF maturation and access volume flow"
"Thrombosis and aneurysm formation"
"Vascular access stenosis"
"Steal syndrome (access-induced ischaemia)"
"Heart failure"
"The arteries are scanned for patency, stenosis and variants. A high bifurcation of the brachial artery is a common anatomic variant."