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Cardiology Intervention Glossary

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

fractional flow reserve FFR

Professional Technical IVT

A physiological measurement used to assess the functional significance of coronary stenosis during catheterization.

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ischemia-driven revascularization

Professional Technical IVT

Repeat intervention performed specifically in response to documented myocardial ischemia rather than routine angiographi...

Technical Term Full entry →

IVUS

Intermediate Technical IVT

Intravascular ultrasound imaging technique used to assess coronary artery dimensions, plaque characteristics, and stent...

Technical Term Full entry →

kissing balloon technique

Professional Technical IVT

Simultaneous inflation of two balloons in bifurcation lesions to optimise both main vessel and side branch outcomes.

Technical Term Full entry →

kissing stents

Advanced Technical IVT

Technique involving simultaneous deployment of two stents in adjacent coronary vessels or bifurcation branches.

Technical Term Full entry →

Atherosclerotic narrowing of the left main coronary artery, considered high-risk due to large myocardial territory suppl...

Technical Term Full entry →

MACE

Intermediate Technical IVT

Major adverse cardiovascular events, a composite endpoint used in clinical trials and outcome studies.

Technical Term Full entry →

mechanical circulatory support

Professional Technical IVT

Temporary devices used to assist or replace cardiac function during high-risk interventions.

Technical Term Full entry →

microvascular dysfunction

Professional Technical IVT

Impaired function of coronary microvasculature affecting myocardial perfusion despite normal epicardial vessels.

Technical Term Full entry →

minimal lumen area

Professional Technical IVT

The smallest cross-sectional area of a coronary vessel lumen, typically measured by intravascular imaging.

MLA
Technical Term Full entry →

myocardial blush grade

Intermediate Technical IVT

An angiographic assessment of myocardial tissue-level perfusion, graded 0-3 based on contrast opacification and clearanc...

Technical Term Full entry →

myocardial viability assessment

Advanced Technical IVT

Evaluation of dormant but recoverable heart muscle tissue to guide revascularization decisions.

Technical Term Full entry →

no-reflow

Advanced Technical IVT

A phenomenon characterized by impaired myocardial perfusion despite successful epicardial vessel opening during PCI.

Technical Term Full entry →

no-reflow phenomenon

Professional Technical IVT

Inadequate myocardial perfusion despite successful recanalization of an epicardial coronary artery during PCI.

Technical Term Full entry →

no-touch technique

Professional Technical IVT

Surgical approach that minimises manual manipulation of saphenous vein grafts to preserve endothelial function.

Technical Term Full entry →

optical coherence tomography

Professional Technical IVT

A high-resolution intravascular imaging technique using near-infrared light to assess coronary artery microstructure.

OCT
Technical Term Full entry →

ostial lesion

Intermediate Technical IVT

Coronary stenosis located at the origin or opening of a vessel, requiring specialized intervention techniques.

Technical Term Full entry →

PCSK9 inhibitor

Professional Technical IVT

Class of lipid-lowering medications that block PCSK9 protein to reduce LDL cholesterol in cardiovascular patients.

Technical Term Full entry →

percutaneous coronary intervention

Professional Technical IVT

A minimally invasive procedure to open blocked coronary arteries using a catheter inserted through the skin.

Technical Term Full entry →

pericardial effusion

Advanced Technical IVT

Abnormal accumulation of fluid in the pericardial space, a potential complication of cardiac procedures.

Technical Term Full entry →

periprocedural complications

Advanced Technical IVT

Adverse events occurring during or immediately following interventional cardiac procedures.

Technical Term Full entry →

periprocedural myocardial infarction

Professional Technical IVT

Heart attack occurring in association with coronary intervention procedures.

Technical Term Full entry →

physiological lesion assessment

Intermediate Technical IVT

Evaluation of coronary stenosis functional significance using pressure or flow-based measurements rather than angiograph...

Technical Term Full entry →

plaque shift

Professional Technical IVT

Displacement of atherosclerotic material during coronary intervention that can compromise adjacent vessel branches.

Technical Term Full entry →

postdilatation

Intermediate Technical IVT

High-pressure balloon inflation performed after stent deployment to optimize stent expansion and apposition.

Technical Term Full entry →
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