Cardiovascular Imaging Glossary

Displacement encoding with stimulated echoes, an MRI technique for precise myocardial strain measurement.

Impaired relaxation and filling of the heart during diastole, often leading to heart failure with preserved ejection fra...

Pharmacologic stress test using dobutamine infusion combined with echocardiographic monitoring.

A CT technique using two different X-ray energy levels to improve tissue characterization and enable material decomposit...

Paradoxical outward motion of myocardial segments during systole, indicating transmural infarction or aneurysm.

Abnormal timing of myocardial contraction between different regions of the heart, often assessed to guide cardiac resync...

The ratio of early mitral inflow velocity to early mitral annular tissue velocity, used to estimate left ventricular fil...

Ultrasound imaging of the heart to assess cardiac structure and function.

The increase in ejection fraction from rest to peak stress, indicating contractile reserve of the left ventricle.

Quantitative measurement of the effective area of a regurgitant valve orifice, typically measured in square centimeters.

A quantitative MRI parameter representing the percentage of myocardial tissue occupied by extracellular space, used to a...

Nuclear imaging technique using glucose analog tracer to assess myocardial viability and metabolic activity.

Post-processing technique that analyzes myocardial deformation from standard cine images without additional sequences.

A cardiac MRI technique that tracks contrast agent passage through the myocardium to assess coronary microcirculation.

A non-invasive ultrasound technique measuring endothelial function by assessing arterial dilation following reactive hyp...

Invasive measurement of coronary artery pressure to assess functional significance of stenoses.

Global Longitudinal Strain, a measure of overall left ventricular function representing the average longitudinal deforma...

Chronically dysfunctional but viable myocardial tissue that can recover function following revascularization.

Exaggerated myocardial contraction exceeding normal wall motion and thickening parameters.

The muscular wall separating the left and right ventricles of the heart, measured for thickness and motion assessment.

Time interval between inversion pulse and image acquisition in MRI, critical for tissue contrast optimization.

Intravascular ultrasound; catheter-based imaging providing cross-sectional views of coronary artery walls.

MRI technique using gadolinium contrast to detect myocardial scar tissue and fibrosis.

A small, ear-shaped pouch extending from the left atrium that is a common site of thrombus formation in atrial fibrillat...