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Advanced Cardiac Imaging Glossary

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

microvascular obstruction MVO

Advanced Technical IVT

No-reflow phenomenon in capillary beds following reperfusion, appearing as dark zones within areas of late gadolinium enhancement on cardiac MRI.

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longitudinal strain

Intermediate Technical IVT

Myocardial deformation measurement representing shortening in the long axis of the heart. Early marker of systolic dysfu...

Technical Term Full entry →

LVEDD

Intermediate Technical IVT

Left ventricular end-diastolic dimension. Measurement of left ventricle size at maximum filling, important marker of ven...

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LVOT

Intermediate Technical IVT

Left ventricular outflow tract; the pathway from the left ventricle to the aorta, commonly assessed for obstruction.

Abbreviation Full entry →

LVOT VTI

Advanced Technical IVT

An echocardiographic measurement combining anatomical location with flow dynamics, commonly abbreviated in cardiac imagi...

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microvascular obstruction

Advanced Technical IVT

No-reflow phenomenon in capillary beds following reperfusion, appearing as dark zones within areas of late gadolinium en...

Technical Term Full entry →

MOLLI

Advanced Technical IVT

Modified Look-Locker inversion recovery sequence used for T1 mapping in cardiac MRI with motion correction capabilities.

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MUGA scan

Intermediate Technical IVT

Nuclear medicine test that evaluates heart function and measures ejection fraction.

Technical Term Full entry →

Measurement of absolute myocardial perfusion in mL/min/g of tissue. Advanced technique using cardiac PET or MRI to asses...

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myocardial blush grade

Advanced Technical IVT

A qualitative assessment of myocardial tissue-level perfusion during coronary angiography, graded from 0 to 3.

Technical Term Full entry →

myocardial nulling

Advanced Technical IVT

A cardiac MRI technique that suppresses normal myocardial signal to highlight pathological tissue, requiring precise tec...

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myocardial perfusion imaging

Intermediate Technical IVT

A nuclear medicine technique that evaluates blood flow to the heart muscle using radioactive tracers.

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myocardial perfusion reserve

Advanced Technical IVT

Ratio of maximal coronary flow during stress to resting flow, indicating coronary vascular function and epicardial steno...

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myocardial salvage index

Professional Technical IVT

Quantitative measure of myocardium rescued by reperfusion therapy, calculated as the difference between area at risk and...

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myocardial tagging

Advanced Technical IVT

MRI technique that creates a grid pattern on the myocardium to track tissue deformation and measure strain throughout th...

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myocardial viability study

Advanced Technical IVT

Specialized cardiac imaging test to determine if dysfunctional myocardium can recover function after revascularization.

Document Type Full entry →

native T1

Professional Technical IVT

Baseline T1 relaxation time measurement of myocardial tissue before contrast administration, used to detect diffuse myoc...

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NICM staging protocol

Professional Technical IVT

A systematic cardiac imaging approach for evaluating non-ischemic cardiomyopathy that requires specific documentation st...

Document Type Full entry →

nuclear stress test report

Intermediate Formal IVT

Standardized document summarizing myocardial perfusion imaging findings. Includes stress protocol, perfusion analysis, a...

Document Type Full entry →

OCT

Advanced Technical IVT

Optical coherence tomography; high-resolution intravascular imaging using infrared light to visualize coronary microstru...

Abbreviation Full entry →

parametric mapping

Advanced Technical IVT

Pixel-wise quantification technique in cardiac MRI that creates color-coded maps of tissue properties such as T1, T2, or...

Technical Term Full entry →

perfusion defect

Intermediate Technical IVT

Area of reduced or absent blood flow detected on cardiac imaging studies.

Technical Term Full entry →

perfusion imaging

Intermediate Technical IVT

Imaging techniques that assess blood flow to the myocardium at rest and during stress conditions.

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perfusion reserve

Intermediate Technical IVT

The ratio of maximal stress myocardial blood flow to resting blood flow, indicating coronary vasodilatory capacity.

Technical Term Full entry →

pericardial compliance

Advanced Technical IVT

The ability of the pericardial sac to accommodate changes in cardiac volume without significant pressure increase.

Technical Term Full entry →
Showing 49–72 of 100

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