Cardiac Imaging Glossary

Left ventricular end-diastolic volume, the amount of blood in the left ventricle at the end of diastole.

The left ventricular outflow tract, the pathway through which blood exits the left ventricle into the aorta.

Left ventricular outflow tract velocity-time integral, used to calculate stroke volume and cardiac output.

Mitral annular plane systolic excursion, a measure of left ventricular longitudinal systolic function.

Backward flow of blood from the left ventricle to the left atrium through an incompetent mitral valve.

Modified Look-Locker inversion recovery MRI sequence used for rapid T1 mapping of the myocardium.

A nuclear medicine study that uses radioactive tracers to assess heart function and calculate ejection fraction.

The optimal inversion time setting in cardiac MRI that suppresses normal myocardial signal to maximize contrast with enh...

Nuclear medicine technique using radioactive tracers to assess blood flow distribution to the heart muscle.

The ratio of maximal achievable myocardial blood flow during vasodilation to resting blood flow.

A cardiac MRI metric quantifying the amount of myocardium saved from infarction following acute intervention, expressed...

Temporary mechanical dysfunction of viable myocardium following ischemia-reperfusion that gradually recovers function.

A specialized cardiac MRI technique that creates grid patterns on the myocardium to track tissue deformation and strain.

The presence of living, potentially functional myocardial tissue that may improve with revascularization.

A novel echocardiographic parameter that combines strain measurements with blood pressure to assess myocardial efficienc...

MRI technique using real-time tracking of diaphragmatic motion to synchronize image acquisition with respiratory positio...

Specialty field using radiotracer imaging to assess cardiac perfusion, function, and viability.

Pixel-by-pixel quantitative analysis technique that creates color-coded maps displaying tissue characteristics across th...

An area of reduced blood flow to the myocardium, typically identified on nuclear imaging or cardiac MRI.

The specific myocardial region supplied by a particular coronary artery, used to correlate imaging findings with vessel-...

Abnormal accumulation of fluid in the pericardial space surrounding the heart.

A cardiac MRI technique that measures blood flow velocity and quantifies flow volumes through vessels and valves.

MRI post-processing technique that restores signal polarity in inversion recovery sequences, improving contrast resoluti...

Parasternal long-axis echocardiographic view used to assess left ventricular function and aortic valve morphology.