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Interventional Cardiology Glossary

100 terms total — 24 showing — Last updated 15 Sep 2026

coronary steal phenomenon

Advanced Technical IVT

A pathological condition where blood flow is redirected away from stenotic coronary vessels to areas with less resistance, potentially worsening ischemia.

Showing 49–72 of 100

instantaneous wave-free ratio

Advanced Technical IVT

A pressure-derived index for assessing coronary stenosis significance without need for adenosine-induced hyperemia, abbr...

iFR
Technical Term Full entry →

intravascular lithotripsy

Advanced Technical IVT

A novel technique using sonic pressure waves to fracture calcium deposits within coronary arteries during percutaneous i...

Technical Term Full entry →

intravascular ultrasound

Advanced Technical IVT

A catheter-based imaging technique providing cross-sectional views of coronary arteries from within the vessel.

Technical Term Full entry →

ischemic time

Intermediate Technical IVT

The duration from symptom onset to restoration of coronary blood flow, a critical metric in acute coronary syndrome mana...

Technical Term Full entry →

IVUS

Intermediate Technical IVT

Acronym for intravascular ultrasound, an imaging technique providing real-time cross-sectional views of coronary arterie...

Abbreviation Full entry →

jailing technique

Advanced Technical IVT

A bifurcation stenting approach where a side branch guide wire is trapped behind stent struts.

Technical Term Full entry →

Killip class

Intermediate Technical IVT

A clinical classification system for heart failure severity in acute myocardial infarction patients.

Technical Term Full entry →

kissing balloon technique

Advanced Technical IVT

Simultaneous balloon inflation in two adjacent coronary vessels, typically used for bifurcation lesion treatment to opti...

Technical Term Full entry →

LAD wrap-around

Intermediate Technical IVT

An anatomical variant where the left anterior descending artery extends beyond the cardiac apex.

Technical Term Full entry →

lesion preparation

Advanced Technical IVT

Pre-treatment techniques used to modify coronary lesions before stent deployment, including balloon dilatation, atherect...

Technical Term Full entry →

LIMA

Intermediate Technical IVT

Left internal mammary artery, the preferred conduit for surgical coronary bypass grafting to the left anterior descendin...

Technical Term Full entry →

LMCA

Intermediate Technical IVT

Left main coronary artery, the short vessel that bifurcates into the LAD and circumflex arteries.

Abbreviation Full entry →

MACE

Advanced Technical IVT

Major adverse cardiac events, a composite endpoint used in cardiovascular research including death, myocardial infarctio...

Technical Term Full entry →

microcatheter

Advanced Technical IVT

An ultra-thin catheter designed for accessing small coronary vessels and complex anatomy.

Technical Term Full entry →

microvascular dysfunction

Advanced Technical IVT

Impaired function of small coronary arteries that cannot be visualized on standard angiography, often causing chest pain...

Technical Term Full entry →

minimum stent area

Intermediate Technical IVT

Smallest cross-sectional area within a deployed stent, critical parameter for optimizing expansion and preventing compli...

Technical Term Full entry →

no-reflow phenomenon

Advanced Technical IVT

The absence of coronary blood flow despite successful reopening of an occluded vessel during PCI.

Technical Term Full entry →

NSTEMI

Intermediate Technical IVT

Non-ST-elevation myocardial infarction, a type of heart attack that requires urgent intervention but may not show charac...

Technical Term Full entry →

OCT

Intermediate Technical IVT

High-resolution intravascular imaging modality using near-infrared light to assess coronary vessel wall morphology and s...

Abbreviation Full entry →

optical coherence tomography

Advanced Technical IVT

A high-resolution intravascular imaging technique using light waves to visualize coronary artery microstructure.

Technical Term Full entry →

ostial lesion

Intermediate Technical IVT

A stenotic lesion located at the origin or mouth of a coronary vessel, presenting unique technical challenges for interv...

Technical Term Full entry →

overlapping stents

Intermediate Technical IVT

Placement of multiple stents with intentional overlap to treat long lesions or vessel segments requiring complete scaffo...

Technical Term Full entry →

percutaneous coronary intervention

Intermediate Technical IVT

A minimally invasive cardiac procedure to open blocked coronary arteries using catheter-based techniques.

Technical Term Full entry →

plaque burden

Professional Technical IVT

The percentage of vessel wall occupied by atherosclerotic plaque, typically measured by intravascular imaging techniques...

Technical Term Full entry →
Showing 49–72 of 100

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