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Neonatal Intensive Care Glossary

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

corrected gestational age

Intermediate Technical IVT

A method of calculating an infant's developmental age by adjusting chronological age based on how early the infant was born relative to full term.

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ECMO

Advanced Technical IVT

A life-support technique that provides cardiac and respiratory support to critically ill neonates by circulating blood o...

Technical Term Full entry →

ELBW

Intermediate Technical IVT

Extremely low birth weight - birth weight less than 1000 grams (2.2 pounds).

Abbreviation Full entry →

exchange transfusion

Advanced Technical IVT

Procedure removing infant's blood while simultaneously replacing it with donor blood to treat severe hyperbilirubinemia.

Technical Term Full entry →

extremely low birth weight

Intermediate Technical IVT

A classification for infants born weighing less than 1,000 grams (2 pounds, 3 ounces), representing the most critically...

Technical Term Full entry →

extubation

Intermediate Technical IVT

Removal of an endotracheal tube from a patient who no longer requires mechanical ventilation.

Technical Term Full entry →

fetal alcohol spectrum disorder

Advanced Technical IVT

A range of conditions affecting children exposed to alcohol in utero, causing physical, behavioral, and learning disabil...

Technical Term Full entry →

FiO2

Intermediate Technical IVT

Fraction of inspired oxygen; the percentage of oxygen in the gas mixture delivered to a patient.

Abbreviation Full entry →

FRC

Professional Technical IVT

Functional residual capacity - the volume of air remaining in the lungs after normal expiration.

Technical Term Full entry →

gastroschisis

Advanced Technical IVT

A congenital abdominal wall defect resulting in herniation of intestines outside the abdominal cavity.

Technical Term Full entry →

gavage feeding

Intermediate Technical IVT

Method of delivering nutrition through a tube inserted into the stomach via nose or mouth.

Technical Term Full entry →

germinal matrix

Professional Technical IVT

Highly vascularized region in the developing brain prone to hemorrhage in preterm infants.

Technical Term Full entry →

germinal matrix hemorrhage

Advanced Technical IVT

Bleeding in the fragile vascular area of the developing brain, most common in preterm infants.

Technical Term Full entry →

gestational diabetes

Intermediate Technical IVT

A form of diabetes that develops during pregnancy, affecting maternal glucose metabolism and potentially impacting fetal...

Technical Term Full entry →

A specialized ventilation technique that delivers very small tidal volumes at extremely high respiratory rates to minimi...

Technical Term Full entry →

hydrocephalus

Intermediate Technical IVT

Abnormal accumulation of cerebrospinal fluid within the brain ventricles, requiring neurosurgical intervention in neonat...

Technical Term Full entry →

hyperalimentation

Professional Technical IVT

Complete intravenous nutrition providing all calories, proteins, fats, vitamins and minerals through a central venous ca...

Technical Term Full entry →

hyperbilirubinemia

Intermediate Technical IVT

An elevated level of bilirubin in the blood, commonly causing jaundice in newborns.

Technical Term Full entry →

hyperoxia test

Professional Technical IVT

A diagnostic test used to differentiate between cyanotic congenital heart disease and pulmonary causes of hypoxemia in n...

Technical Term Full entry →

hypocalcemia

Intermediate Technical IVT

Abnormally low blood calcium levels in newborns, which can cause seizures and other serious complications.

Technical Term Full entry →

hypoglycemia

Intermediate Technical IVT

Abnormally low blood glucose levels in newborns, typically below 40-45 mg/dL depending on institutional protocols.

Technical Term Full entry →

intraventricular hemorrhage

Advanced Technical IVT

Bleeding into the brain's ventricular system, most commonly affecting premature infants.

Technical Term Full entry →

intubation

Intermediate Technical IVT

Insertion of an endotracheal tube through the mouth or nose into the trachea to maintain an airway.

Technical Term Full entry →

IUGR

Intermediate Technical IVT

Intrauterine growth restriction - fetal growth below the 10th percentile for gestational age.

Abbreviation Full entry →

kangaroo mother care

Intermediate Technical IVT

Skin-to-skin contact practice where the infant is placed on the parent's chest for thermal regulation and bonding.

Technical Term Full entry →
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