Cardiovascular Imaging Glossary

Late gadolinium enhancement, delayed contrast imaging that identifies myocardial scar and fibrosis.

An MRI sequence technique used to measure T1 relaxation times by acquiring multiple images at different inversion times...

Left ventricular ejection fraction; percentage of blood pumped out of the left ventricle with each heartbeat.

The anatomical region below the aortic valve through which blood exits the left ventricle.

Composite endpoint used in cardiovascular research encompassing major adverse cardiac events including death, myocardial...

Impaired perfusion at the capillary level despite successful restoration of epicardial coronary flow, typically assessed...

Doppler echocardiographic assessment of blood flow through the mitral valve during diastole.

Modified Look-Locker inversion recovery, a cardiac MRI sequence for rapid T1 mapping.

A visual scoring system used in coronary angiography to assess microvascular perfusion based on contrast opacification o...

A congenital anatomical variant where a coronary artery segment courses through myocardial tissue rather than along the...

Pre-contrast T1 relaxation time measurement of myocardium used to detect diffuse fibrosis, edema, and infiltrative cardi...

Nuclear medicine technique assessing blood flow to heart muscle using radioactive tracers.

The ratio of maximal hyperemic myocardial blood flow to resting myocardial blood flow, indicating coronary vascular rese...

MRI technique that creates grid patterns on heart muscle to track regional deformation and strain.

The presence of living, potentially recoverable myocardial tissue in regions with impaired contractile function.

Advanced echocardiographic parameter that assesses myocardial performance by incorporating afterload in strain analysis.

Real-time motion monitoring technique that tracks diaphragmatic position during cardiac MRI to minimize respiratory arti...

Impaired myocardial perfusion despite successful restoration of epicardial coronary flow during percutaneous interventio...

MRI technique that suppresses signal from specific tissues by timing the inversion pulse to eliminate their signal.

Complete or partial tear of papillary muscles, typically occurring as a complication of myocardial infarction.

Abnormal movement of the interventricular septum away from the left ventricle during systole, often seen after cardiac s...

Quantitative imaging technique that creates pixel-by-pixel maps of tissue properties such as T1, T2, or extracellular vo...

An area of reduced blood flow to myocardial tissue detected on nuclear or CT perfusion imaging.

PET imaging pattern showing reduced blood flow but preserved glucose metabolism, indicating viable hibernating myocardiu...