Pediatric Cardiology Glossary
100 terms total — 24 showing — Last updated 15 Sep 2026
inotropic support
Pharmacological assistance to improve cardiac contractility in pediatric patients with heart failure or after cardiac surgery.
heterotaxy syndrome
Congenital condition involving abnormal arrangement of thoracic and abdominal organs, often associated with complex card...
HLHS
Hypoplastic left heart syndrome; a severe congenital heart defect where the left side of the heart is critically underde...
hypoplastic left heart complex
Spectrum of left heart underdevelopment including but not limited to classic HLHS.
inotropic support
Pharmacological assistance to improve cardiac contractility in pediatric patients with heart failure or after cardiac su...
interrupted aortic arch
A critical congenital heart defect where there is complete discontinuity of the aortic arch.
interstage period
Time interval between staged surgical procedures in single ventricle palliation sequence.
intracardiac baffle
A surgically created partition within the heart used to redirect blood flow in complex congenital heart repairs.
Jatene operation
Alternative term for the arterial switch operation, named after Brazilian surgeon Adib Jatene.
Kawasaki disease
An acute systemic vasculitis of childhood that can cause coronary artery aneurysms and requires cardiac monitoring.
LVOT
Left ventricular outflow tract, the pathway through which blood exits the left ventricle toward the systemic circulation...
MAPCA
Major aortopulmonary collateral arteries that develop abnormally to supply blood to the lungs in certain congenital hear...
Mitral Valve Dysplasia
Abnormal development of the mitral valve apparatus resulting in structural malformation and functional impairment.
Mustard operation
An atrial switch procedure using a pericardial baffle to redirect venous return in patients with transposition of the gr...
myocardial protection
Techniques used during cardiac surgery to preserve heart muscle function, including cardioplegia and hypothermia.
neo-aortic root
The reconstructed aortic root following arterial switch operation, formed from the former pulmonary root.
Norwood procedure
The first-stage surgical palliation for hypoplastic left heart syndrome, reconstructing the aorta and creating controlle...
oxygen saturation gradient
The difference in oxygen saturation between different cardiac chambers or vessels, used to detect intracardiac shunts.
PAPVR
Partial anomalous pulmonary venous return - congenital condition where some pulmonary veins drain abnormally.
patch aortoplasty
Surgical technique for repairing aortic coarctation using a patch to widen the narrowed segment without tension.
PDA
Patent ductus arteriosus; a persistent connection between the aorta and pulmonary artery that normally closes after birt...
Plastic Bronchitis
A rare complication of Fontan circulation involving formation of thick, rubbery casts that obstruct the airways.
Protein-Losing Enteropathy
A serious complication of Fontan circulation characterized by excessive loss of proteins through the gastrointestinal tr...
Pulmonary Artery Banding
A palliative surgical procedure that places a constricting band around the main pulmonary artery to limit excessive pulm...
Pulmonary Valve Stenosis
Narrowing of the pulmonary valve that obstructs blood flow from the right ventricle to the pulmonary arteries.