Neonatal Intensive Care Glossary
100 terms total — 24 showing — Last updated 15 Sep 2026
corrected gestational age
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.
pneumothorax
Accumulation of air in the pleural space causing lung collapse, a serious complication requiring immediate intervention...
polycythemia
Abnormally high concentration of red blood cells, typically defined as hematocrit >65% in newborns.
polyhydramnios
Excessive amniotic fluid during pregnancy that may indicate fetal abnormalities and can lead to neonatal complications.
postmenstrual age
The time elapsed since the first day of the mother's last menstrual period, calculated as gestational age plus chronolog...
pulse oximetry screening
Non-invasive screening test using oxygen saturation measurements to detect critical congenital heart disease in newborns...
radiant warmer
Open heating device providing thermal support while allowing easy access for medical procedures.
respiratory distress syndrome
A breathing disorder in premature infants caused by insufficient surfactant production in the lungs.
retinopathy of prematurity
An eye disease affecting premature infants characterized by abnormal blood vessel development in the retina.
sepsis workup
Comprehensive diagnostic evaluation to detect bacterial infection in newborns with suspected sepsis.
SGA
Small for gestational age; birth weight below the 10th percentile for gestational age.
SIMV
Ventilation mode that synchronizes mandatory breaths with patient's spontaneous respiratory efforts.
small for gestational age
A classification for infants whose birth weight falls below the 10th percentile for their gestational age, indicating in...
SNAP-II
Score for Neonatal Acute Physiology II - illness severity scoring system predicting mortality risk in critically ill new...
surfactant replacement therapy
A treatment involving the administration of artificial or natural surfactant to premature infants with respiratory distr...
synchronous intermittent mandatory ventilation
A ventilation mode that delivers mandatory breaths synchronized with the infant's spontaneous breathing efforts while al...
tachypnea
Abnormally rapid breathing rate in newborns, often indicating respiratory distress or other underlying conditions.
term equivalent age
The developmental milestone when a preterm infant reaches 37-40 weeks postmenstrual age, equivalent to term gestation.
thermoregulation
The process by which the body maintains its core internal temperature within a narrow range despite external temperature...
tocolysis
Medical intervention to suppress premature uterine contractions and delay preterm delivery.
TORCH infections
Group of congenital infections that can cause significant morbidity in newborns when transmitted from mother to fetus.
total parenteral nutrition
A method of feeding that bypasses the gastrointestinal tract by delivering nutrients intravenously.
transcutaneous monitoring
Non-invasive measurement of oxygen and carbon dioxide levels through the skin surface.
transient tachypnea of the newborn
A self-limiting respiratory condition in newborns caused by delayed clearance of lung fluid, commonly abbreviated as TTN...
transitional care nursery
Intermediate care unit for newborns who require more than routine care but less than intensive care.