Cardiovascular Disease Glossary
100 terms total — 8 showing — Last updated 15 Sep 2026
Long QT syndrome
A genetic disorder of cardiac ion channels causing prolonged ventricular repolarization and risk of sudden death.
arrhythmia
Any deviation from the normal heart rhythm, including irregular, fast, or slow heartbeats.
hemodynamic monitoring
Continuous assessment of cardiovascular function through measurement of pressures, flows, and volumes within the circula...
ischemia
Inadequate blood supply to tissue or organs, resulting in oxygen and nutrient deficiency.
microvascular dysfunction
Impaired function of small coronary arteries causing angina symptoms despite normal large vessel coronary arteries.
mitral valve prolapse
Abnormal backward movement of mitral valve leaflets into the left atrium during ventricular contraction.
NSTEMI
Non-ST-elevation myocardial infarction; a type of heart attack that doesn't show characteristic ST-segment changes on EC...
STEMI
ST-elevation myocardial infarction - a severe heart attack with characteristic ECG changes requiring emergency treatment...
TIMI flow grade
Standardized angiographic scoring system (0-3) used to assess coronary blood flow during cardiac catheterization procedu...