Vascular Imaging Glossary

Advanced reconstruction technique that displays vessel anatomy along a curved centerline path, allowing visualization of...

An imaging technique that enhances vessel visualization by digitally removing background structures from contrast-enhanc...

A mobile intimal layer within an arterial dissection that can obstruct flow or create a false lumen.

Digital subtraction angiography; an imaging technique that enhances vessel visualization by subtracting background struc...

An imaging technique combining grayscale ultrasound with Doppler flow analysis to assess blood vessel structure and bloo...

European Cooperative Acute Stroke Study criteria used to classify hemorrhagic transformation types in stroke imaging int...

A medical device designed to capture embolic debris during endovascular procedures to prevent downstream vessel occlusio...

Persistent blood flow outside a stent graft but within the aneurysm sac after endovascular repair.

A minimally invasive procedure performed within blood vessels using catheter-based techniques.

The characteristic way tissues or lesions accumulate and retain contrast material during imaging studies.

Fractional flow reserve; a measurement of the functional significance of coronary artery stenosis.

Angiographic technique using high-volume contrast injection to visualize entire aorta and major branches.

Complete arterial blockage extending to the vessel origin without visible stump for catheter engagement.

A physiological measurement that assesses the functional significance of coronary artery stenosis by comparing pressures...

MRI contrast agents containing gadolinium chelates used to enhance vascular structures and tissue perfusion in magnetic...

Vascular system's capacity to increase blood flow above baseline levels in response to increased metabolic demand or pha...

A vascular lesion that meaningfully impairs blood flow and causes measurable physiological consequences.

A resting index that assesses coronary stenosis significance without requiring adenosine-induced hyperemia.

Thickening of the innermost layer of a blood vessel wall, often occurring after vascular intervention.

Blood clot formation within the vessel lumen, appearing as filling defects on contrast-enhanced imaging studies.

Contrast agents containing iodine used in vascular imaging to enhance vessel visualization on CT and conventional angiog...

Intravascular ultrasound; an imaging technique using ultrasound from within blood vessels.

Abnormal variation in the smooth contour of a blood vessel's inner surface, often indicating atherosclerotic disease or...

A 3D reconstruction technique that displays the brightest pixels along viewing rays to create angiographic-like images f...