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Cardiovascular Disease Glossary

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

Long QT syndrome

Advanced Technical IVT

A genetic disorder of cardiac ion channels causing prolonged ventricular repolarization and risk of sudden death.

Showing 73–96 of 100

PCI

Intermediate Technical IVT

Acronym for percutaneous coronary intervention, minimally invasive procedure to open blocked coronary arteries.

Abbreviation Full entry →

pericardium

Intermediate Technical IVT

Double-walled sac surrounding the heart that provides protection and reduces friction.

Technical Term Full entry →

plaque burden

Professional Technical IVT

Total amount of atherosclerotic plaque present in coronary arteries, typically measured using intravascular imaging tech...

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.

Technical Term Full entry →

pulmonary edema

Advanced Technical IVT

Fluid accumulation in the lungs, often due to heart failure or increased pulmonary capillary pressure.

Technical Term Full entry →

pulmonary hypertension

Intermediate Technical IVT

Elevated pressure in the pulmonary arteries that can lead to right heart failure if untreated.

Technical Term Full entry →

restenosis

Intermediate Technical IVT

Re-narrowing of a previously treated coronary artery segment, typically occurring after angioplasty or stent placement.

Technical Term Full entry →

STEMI

Advanced Technical IVT

ST-elevation myocardial infarction - a severe heart attack with characteristic ECG changes requiring emergency treatment...

Abbreviation Full entry →

stenosis

Intermediate Technical IVT

Abnormal narrowing of a blood vessel or heart valve that restricts blood flow.

Technical Term Full entry →

stent

Intermediate Technical IVT

A small mesh tube inserted into narrowed arteries to keep them open and maintain blood flow.

Technical Term Full entry →

syncope

Intermediate Technical IVT

Temporary loss of consciousness due to inadequate cerebral blood flow, commonly called fainting.

Technical Term Full entry →

SYNTAX score

Professional Technical IVT

Angiographic scoring system that quantifies the complexity of coronary artery disease to guide treatment selection betwe...

Technical Term Full entry →

systolic

Intermediate Technical IVT

Relating to the phase of the heartbeat when the heart muscle contracts and pumps blood.

Technical Term Full entry →

tachycardia

Intermediate Technical IVT

Abnormally fast heart rate, typically defined as greater than 100 beats per minute in adults.

Technical Term Full entry →

takotsubo cardiomyopathy

Advanced Technical IVT

A form of reversible cardiomyopathy triggered by severe emotional or physical stress, characterized by transient dysfunc...

Technical Term Full entry →

TAVI

Advanced Technical IVT

Minimally invasive procedure to replace aortic valve without open-heart surgery.

Technical Term Full entry →

TEE

Intermediate Technical IVT

Ultrasound imaging of the heart performed through a probe placed in the esophagus.

Technical Term Full entry →

tetralogy of Fallot

Advanced Technical IVT

A complex congenital heart defect consisting of four anatomical abnormalities that affect blood oxygenation.

Technical Term Full entry →

thrombus

Intermediate Technical IVT

A blood clot that forms within a blood vessel and remains attached to its site of origin.

Technical Term Full entry →

TIMI flow grade

Professional Technical IVT

Standardized angiographic scoring system (0-3) used to assess coronary blood flow during cardiac catheterization procedu...

Technical Term Full entry →

troponin

Intermediate Technical IVT

Cardiac biomarker protein released into blood when heart muscle is damaged, used to diagnose heart attacks.

Technical Term Full entry →

valvuloplasty

Intermediate Technical IVT

Minimally invasive procedure to repair or widen narrowed heart valves.

Technical Term Full entry →

vascular calcification

Intermediate Technical IVT

Calcium deposit accumulation in arterial walls, indicating advanced atherosclerosis and increased cardiovascular risk.

Technical Term Full entry →

vasodilator stress testing

Intermediate Technical IVT

Cardiac stress test using medications to dilate coronary arteries instead of exercise.

Technical Term Full entry →
Showing 73–96 of 100

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