Adult Cardiology Glossary
100 terms total — 14 showing — Last updated 26 Oct 2026
ST-elevation myocardial infarction STEMI
A type of heart attack characterized by complete blockage of a coronary artery, identifiable by specific electrocardiogram changes.
Cardio-oncology
Subspecialty focused on cardiovascular complications of cancer treatment and management of cardiac disease in cancer pat...
chronotropic incompetence
Inability of the heart rate to increase appropriately during exercise or stress.
Class I recommendation
The highest level of clinical practice guideline recommendation, indicating strong evidence that a treatment is benefici...
collateral circulation
Alternative coronary blood flow pathways that develop to bypass significant coronary artery obstructions.
contrast-induced nephropathy
Acute kidney injury following intravascular contrast media administration, typically occurring within 48-72 hours.
Coronary dominance
The anatomical pattern determining which coronary artery supplies the posterior descending artery and posterolateral cir...
coronary flow reserve
The ratio of maximum coronary blood flow during hyperemia to baseline resting flow.
coronary spasm
Sudden, temporary narrowing of a coronary artery due to smooth muscle contraction, potentially causing ischemia.
Duke treadmill score
Prognostic scoring system combining exercise duration, ST depression, and angina during stress testing.
percutaneous coronary intervention
A catheter-based procedure to open blocked coronary arteries using balloon angioplasty and/or stent placement.
stress testing protocol
Standardized procedure for evaluating cardiac function and ischemia detection under physiologic or pharmacologic stress.
Syncope workup
Systematic diagnostic evaluation of transient loss of consciousness to identify underlying cardiac, neurologic, or ortho...
SYNTAX score
Angiographic scoring system used to quantify complexity of coronary artery disease for treatment planning.
thrombolysis in myocardial infarction score
A standardized grading system for coronary blood flow used in cardiac catheterization procedures.