Cardiac Imaging Glossary

Maximum rate of left ventricular pressure rise during isovolumic contraction, measured by Doppler echocardiography.

Deceleration time of mitral E-wave, reflecting left ventricular compliance and filling pressure.

Paradoxical outward movement of myocardial segments during systole, indicating severe wall motion abnormality.

An echocardiographic parameter calculated by dividing mitral E velocity by tissue Doppler e' velocity to estimate left a...

A measurement expressed as a percentage indicating how much blood the left ventricle pumps out with each contraction.

The inner layer of the heart wall that lines the cardiac chambers, important for wall motion analysis and volumetric mea...

A cardiac MRI-derived parameter that quantifies myocardial fibrosis by measuring the proportion of extracellular space i...

A post-processing technique for cardiac MRI that analyzes myocardial deformation by tracking tissue features frame-by-fr...

A fast imaging MRI sequence producing bright blood images for cardiac cine imaging.

Cardiac MRI technique that tracks contrast agent passage through myocardium to assess tissue perfusion.

A hemodynamic index used to assess the functional significance of coronary stenoses during cardiac catheterization.

Full width at half maximum quantification used in nuclear cardiology to assess myocardial perfusion defect size and seve...

The temporal behavior of gadolinium contrast enhancement in myocardial tissue, used to characterize normal and pathologi...

Global longitudinal strain, a sensitive measure of left ventricular systolic function using speckle tracking.

Hypertrophic cardiomyopathy, a genetic heart disease characterized by abnormal thickening of the heart muscle.

Viable myocardial tissue with chronically reduced function due to prolonged ischemia that can recover with revasculariza...

Reduced or decreased wall motion of a cardiac segment, indicating impaired contractility.

Intraventricular conduction delay, abnormal electrical conduction within the ventricles affecting cardiac synchrony.

Isovolumetric relaxation time, the period between aortic valve closure and mitral valve opening.

The major epicardial coronary artery supplying the anterior wall and septum of the left ventricle.

A cardiac MRI technique using gadolinium contrast to identify areas of myocardial scar or fibrosis.

Left bundle branch block, a conduction abnormality affecting electrical activation of the left ventricle.

Late gadolinium enhancement on cardiac MRI, indicating myocardial fibrosis or scar tissue.

Left ventricular end-diastolic dimension measured during cardiac imaging to assess chamber size.