Cardiac Surgery Glossary
100 terms total — 24 showing — Last updated 15 Sep 2026
mitral valve repair
Surgical reconstruction of the mitral valve to restore normal function while preserving the native valve structure.
hemodynamics
The study of blood flow and the forces involved in circulation, particularly pressures and flow measurements during card...
hypothermic circulatory arrest
Surgical technique involving deep hypothermia and complete cessation of circulation to protect organs during complex pro...
IABP
Intra-aortic balloon pump; mechanical circulatory support device that augments cardiac output.
inotrope
A medication that affects the force of cardiac muscle contraction, either increasing (positive) or decreasing (negative)...
LIMA
Left internal mammary artery; preferred arterial conduit for bypassing the left anterior descending coronary artery.
LIMA-to-LAD
Surgical anastomosis connecting the left internal mammary artery to the left anterior descending coronary artery.
maze procedure
Surgical treatment for atrial fibrillation using strategic incisions or ablation lines.
Mechanical Circulatory Support
Devices that augment or replace cardiac function to maintain circulation in patients with severe heart failure.
median sternotomy
Standard surgical incision through the center of the breastbone providing access to the heart and great vessels.
MitraClip
A transcatheter device used to repair mitral regurgitation by clipping valve leaflets together.
mitral valve repair
Surgical reconstruction of the mitral valve to restore normal function while preserving the native valve structure.
modified Blalock-Taussig shunt
Palliative cardiac procedure creating artificial connection between systemic and pulmonary circulation.
Myocardial Hibernation
Reversible reduction in myocardial contractility due to chronic ischemia, potentially recoverable after revascularizatio...
myocardial ischemia
Reduced blood flow to the heart muscle resulting in inadequate oxygen delivery and potential tissue damage.
myocardial protection
Strategies used during cardiac surgery to prevent heart muscle damage during ischemia.
myocardial revascularization
Surgical restoration of blood flow to ischemic heart muscle through bypass grafting or other techniques.
myocardial stunning
Temporary myocardial dysfunction that persists after restoration of coronary blood flow following ischemia.
myocardial viability
Assessment of whether ischemic myocardium retains the potential for functional recovery after revascularization.
Norwood procedure
First-stage palliative surgery for hypoplastic left heart syndrome creating systemic circulation from the right ventricl...
OPCAB
Off-pump coronary artery bypass; technique performing bypass surgery on the beating heart without cardiopulmonary bypass...
papillary muscle rupture
Acute disruption of mitral valve papillary muscle, typically following myocardial infarction, requiring emergency surgic...
patent ductus arteriosus
Persistent connection between aorta and pulmonary artery after birth, may require surgical closure.
perfusionist
A specialized healthcare professional who operates the heart-lung machine during cardiac surgery.
pericardial effusion
Accumulation of excess fluid in the pericardial space surrounding the heart.