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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 49–72 of 100

hemodynamic monitoring

Intermediate Technical IVT

Continuous assessment of cardiovascular function through measurement of pressures, flows, and volumes within the circula...

Technical Term Full entry →

hibernating myocardium

Advanced Technical IVT

Chronically ischemic but viable cardiac muscle that exhibits reduced contractility but retains potential for recovery wi...

Technical Term Full entry →

Holter monitor

Intermediate Technical IVT

Portable device that continuously records heart rhythm over 24-48 hours for arrhythmia detection.

Technical Term Full entry →

hypertrophy

Intermediate Technical IVT

Abnormal enlargement of heart muscle cells leading to increased wall thickness.

Technical Term Full entry →

IABP

Professional Technical IVT

Intra-aortic balloon pump, a mechanical circulatory support device that augments coronary perfusion and reduces afterloa...

Abbreviation Full entry →

inotrope

Intermediate Technical IVT

Medication that alters the force of cardiac muscle contraction, either increasing (positive) or decreasing (negative) co...

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inotropic support

Intermediate Technical IVT

Medical therapy using medications that increase the strength of cardiac muscle contractions to improve heart pump functi...

Technical Term Full entry →

ischemia

Intermediate Technical IVT

Inadequate blood supply to tissue or organs, resulting in oxygen and nutrient deficiency.

Technical Term Full entry →

Long QT syndrome

Advanced Technical IVT

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

Technical Term Full entry →

LVAD

Professional Technical IVT

Left Ventricular Assist Device, an implantable mechanical pump that supports circulation in patients with severe heart f...

Abbreviation Full entry →

LVEF

Advanced Technical IVT

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

Abbreviation Full entry →

MACE

Professional Technical IVT

Major Adverse Cardiovascular Events, a composite endpoint used in clinical trials to measure serious cardiac outcomes.

Abbreviation Full entry →

Marfan syndrome

Advanced Technical IVT

A genetic connective tissue disorder that commonly affects the cardiovascular system, particularly the aorta.

Technical Term Full entry →

microvascular dysfunction

Advanced Technical IVT

Impaired function of small coronary arteries causing angina symptoms despite normal large vessel coronary arteries.

Technical Term Full entry →

mitral valve prolapse

Intermediate Technical IVT

Abnormal backward movement of mitral valve leaflets into the left atrium during ventricular contraction.

Technical Term Full entry →

myocardial infarction

Intermediate Technical IVT

Medical term for heart attack, referring to death of heart muscle tissue due to blocked blood flow.

Technical Term Full entry →

myocardial stunning

Professional Technical IVT

Temporary mechanical dysfunction of heart muscle that persists despite restoration of normal coronary blood flow.

Technical Term Full entry →

myocardial viability

Advanced Technical IVT

Assessment of whether damaged heart muscle retains potential for functional recovery.

Technical Term Full entry →

no-reflow phenomenon

Professional Technical IVT

Failure to restore adequate coronary blood flow despite successful opening of an occluded coronary artery during interve...

Technical Term Full entry →

NSTEMI

Professional Technical IVT

Non-ST-elevation myocardial infarction; a type of heart attack that doesn't show characteristic ST-segment changes on EC...

Technical Term Full entry →

NYHA Class

Intermediate Technical IVT

Functional classification system for heart failure symptoms ranging from I to IV.

Technical Term Full entry →

orthopnea

Advanced Technical IVT

Shortness of breath that occurs when lying flat and is relieved by sitting upright.

Technical Term Full entry →

paradoxical embolism

Advanced Technical IVT

Arterial embolism originating from venous circulation through right-to-left cardiac shunt.

Technical Term Full entry →

paroxysmal nocturnal dyspnea

Advanced Technical IVT

Sudden episodes of severe breathlessness that wake patients from sleep, typically associated with heart failure.

PND
Technical Term Full entry →
Showing 49–72 of 100

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