Cardiovascular Radiology Glossary
100 terms total — 24 showing — Last updated 15 Sep 2026
restenosis
Re-narrowing of previously treated vessel segment, typically occurring within 6-12 months.
periprocedural myocardial infarction
Myocardial injury occurring in association with percutaneous coronary intervention or cardiac surgery.
POBA
Basic balloon angioplasty procedure without stent implantation or adjunctive devices.
PRECISE-DAPT score
Clinical tool for determining optimal duration of dual antiplatelet therapy after coronary stenting based on bleeding ri...
QCA
Computer-assisted analysis technique for precise measurement of coronary vessel dimensions and stenosis severity.
QFR
Novel angiography-based method for assessing coronary stenosis functional significance without pressure wire.
quantitative coronary angiography
Computer-assisted measurement system for precise assessment of coronary artery dimensions and stenosis severity.
radial artery access
Percutaneous arterial access via the radial artery for cardiac catheterization procedures.
radial artery spasm
Vasospastic reaction of the radial artery during transradial cardiac catheterization causing procedural difficulty or fa...
RAO
Angiographic projection angle positioning the image intensifier to the patient's right side and anteriorly.
restenosis
Re-narrowing of previously treated vessel segment, typically occurring within 6-12 months.
rotational atherectomy
A technique using a diamond-coated rotating burr to modify heavily calcified coronary plaques before stenting.
saphenous vein graft
A venous conduit harvested from the leg and used for coronary artery bypass surgery.
SPECT-MPI
Single-photon emission computed tomography myocardial perfusion imaging used to assess coronary blood flow and detect is...
STEMI
ST-elevation myocardial infarction requiring emergent reperfusion therapy.
stent thrombosis
Thrombotic occlusion within a previously implanted coronary stent leading to acute vessel closure.
SYNTAX anatomy
Coronary anatomical complexity scoring system used to stratify patients for revascularization decisions.
SYNTAX II score
Updated risk stratification tool that incorporates clinical variables with angiographic complexity to guide revasculariz...
SYNTAX score
Angiographic scoring system that quantifies the complexity and extent of coronary artery disease.
target vessel revascularization
Repeat intervention on the same coronary vessel previously treated, regardless of location within that vessel.
TAVI
Minimally invasive procedure to replace aortic valve via catheter approach.
TAVR
Minimally invasive procedure to replace a diseased aortic valve using catheter-based techniques.
TCFA
High-risk coronary plaque characterized by a large lipid core covered by a thin fibrous cap prone to rupture.
thrombolysis in myocardial infarction
The full form of the TIMI classification system used to grade coronary blood flow.
thrombolytic therapy
Medical treatment using clot-dissolving medications to restore blood flow in occluded coronary arteries during acute MI.