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Adult Cardiology Glossary

100 terms total — 24 showing — Last updated 15 Sep 2026

Ventricular septal defect

Intermediate Technical IVT

Congenital heart defect characterized by an abnormal opening in the wall separating the right and left ventricles, causing left-to-right shunting.

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inotropic support

Intermediate Technical IVT

The use of medications to enhance cardiac contractility in patients with heart failure or cardiogenic shock.

Technical Term Full entry →

Interventional cardiology

Intermediate Technical IVT

Subspecialty of cardiology focused on catheter-based treatment of cardiovascular disease, including angioplasty, stentin...

Technical Term Full entry →

IVUS

Advanced Technical IVT

Catheter-based imaging technique using ultrasound to visualize coronary artery walls and plaque morphology from within t...

Technical Term Full entry →

LVAD

Professional Technical IVT

Mechanical device implanted to assist left ventricular function in patients with advanced heart failure.

Abbreviation Full entry →

LVEDD

Intermediate Technical IVT

Echocardiographic measurement of the left ventricular internal diameter at end-diastole, used to assess chamber size and...

Technical Term Full entry →

LVEF

Intermediate Technical IVT

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

Abbreviation Full entry →

LVOT obstruction

Advanced Technical IVT

Blockage of blood flow through the left ventricular outflow tract, commonly seen in hypertrophic cardiomyopathy. Creates...

Technical Term Full entry →

MACE

Professional Technical IVT

A composite endpoint commonly used in cardiovascular clinical trials encompassing major adverse cardiovascular events.

Technical Term Full entry →

manuscript tracking system

Basic Technical IVT

Digital platform used to manage the submission and review process of academic papers

microvascular dysfunction

Advanced Technical IVT

Impaired function of coronary vessels smaller than 500 micrometers, not visible on standard angiography.

Technical Term Full entry →

Mitral annuloplasty

Advanced Technical IVT

Surgical repair technique for mitral regurgitation involving placement of an annular ring to restore normal mitral valve...

Technical Term Full entry →

Mitral valve prolapse

Intermediate Technical IVT

Abnormal systolic displacement of mitral valve leaflets into the left atrium, often associated with mitral regurgitation...

Technical Term Full entry →

MUGA scan

Intermediate Technical IVT

A nuclear imaging test that measures heart function and ejection fraction using radioactive tracers.

Technical Term Full entry →

myocardial stunning

Intermediate Technical IVT

Temporary contractile dysfunction of viable myocardium following acute ischemia-reperfusion.

Technical Term Full entry →

myocardial viability

Advanced Technical IVT

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

Technical Term Full entry →

no-reflow phenomenon

Advanced Technical IVT

The failure to achieve adequate myocardial perfusion despite successful opening of an epicardial coronary artery.

Technical Term Full entry →

non-ST-elevation myocardial infarction

Professional Technical IVT

A type of heart attack characterized by elevated cardiac biomarkers without ST-segment elevation on electrocardiogram.

Technical Term Full entry →

NYHA classification

Intermediate Technical IVT

New York Heart Association functional classification system rating heart failure symptoms from Class I (no symptoms) to...

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OCT

Advanced Technical IVT

High-resolution intracoronary imaging modality using near-infrared light to provide detailed visualization of coronary v...

Technical Term Full entry →

peer review

Basic Formal IVT

A quality control process where experts in the field evaluate submitted manuscripts before publication

percutaneous coronary intervention

Professional Technical IVT

A catheter-based procedure to open blocked coronary arteries using balloon angioplasty and/or stent placement.

Technical Term Full entry →

Pericardial friction rub

Intermediate Technical IVT

A characteristic three-component scratchy sound heard on auscultation in patients with pericardial inflammation.

Technical Term Full entry →

pericardiocentesis

Professional Technical IVT

Procedure to remove fluid from the pericardial space using needle aspiration or catheter drainage.

Technical Term Full entry →

Preload

Advanced Technical IVT

The degree of ventricular stretch at the end of diastole, determined by venous return and ventricular compliance. Affect...

Technical Term Full entry →
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