Arterial Vascular Imaging Glossary
100 terms total — 24 showing — Last updated 15 Sep 2026
contrast nephropathy CIN
Acute kidney injury occurring after intravascular contrast agent administration.
covered stent
Endovascular prosthesis consisting of a metallic stent framework covered with graft material.
CT angiography
Non-invasive imaging technique using contrast-enhanced computed tomography to visualize blood vessels.
curved planar reformation
Post-processing technique that straightens curved vessels to display their entire length in a single plane.
cystic adventitial disease
Rare vascular condition involving mucin-filled cysts within the arterial adventitia causing external compression and ste...
digital subtraction angiography
Gold standard invasive imaging technique that removes background structures to highlight contrast-filled blood vessels.
dissection flap
Torn arterial intimal layer creating a mobile tissue fragment that may obstruct blood flow.
drug-eluting stent
Implantable metallic scaffold coated with antiproliferative medication to prevent restenosis.
DSA
Digital subtraction angiography technique that removes background structures to enhance vessel visualization.
duplex ultrasonography
Non-invasive imaging technique combining B-mode ultrasound with Doppler flow assessment for arterial evaluation.
embolic protection device
Temporary filtration or occlusion system used to prevent distal embolization during vascular interventions.
endoleak
Persistent blood flow outside an endograft lumen but within the aneurysm sac, classified by anatomical location and flow...
endothelial dysfunction
Pathological alteration in endothelial cell function resulting in impaired vasodilation and increased thrombotic risk.
fibromuscular dysplasia
A non-atherosclerotic vascular disease causing arterial stenosis, most commonly affecting renal and carotid arteries.
flow-limiting stenosis
Arterial narrowing severe enough to cause hemodynamically significant reduction in blood flow, typically requiring inter...
flow-mediated dilation
Non-invasive ultrasound technique measuring endothelial function by assessing arterial dilation response to increased fl...
flush aortogram
Angiographic technique using high-volume contrast injection in the aorta to visualize multiple vessel origins simultaneo...
flush aortography
Non-selective contrast injection technique providing overview imaging of the aorta and major branches.
fractional flow reserve
Invasive hemodynamic measurement comparing maximum blood flow distal to a stenosis with theoretical maximum flow in a no...
gadolinium-enhanced
MR imaging technique using gadolinium-based contrast agents to improve vascular visualization.
hemodynamic assessment
Evaluation of blood flow patterns and pressure gradients across vascular segments.
hemodynamically significant stenosis
Arterial narrowing severe enough to cause measurable reduction in blood flow and pressure gradient.
interventional suite
Specialized procedural room equipped with advanced imaging and life support systems for minimally invasive vascular proc...
intima-media thickness
Ultrasound measurement of arterial wall thickness used as a marker of subclinical atherosclerosis and cardiovascular ris...
intimal hyperplasia
Pathological thickening of the arterial intimal layer due to smooth muscle cell proliferation and extracellular matrix d...