Pediatric Pulmonology Glossary
103 terms total — 7 showing — Last updated 15 Sep 2026
Lung Clearance Index LCI
A measure of ventilation inhomogeneity derived from multiple-breath washout testing, reflecting how efficiently a gas (typically nitrogen or sulfur hexafluoride) is cleared from the lungs.
transient tachypnea of the newborn
Self-limiting respiratory condition in newborns caused by delayed clearance of fetal lung fluid.
vascular ring
A congenital cardiovascular anomaly in which an aberrant aortic arch or great vessel encircles and compresses the trache...
ventilation-perfusion mismatch
Imbalance between alveolar ventilation and pulmonary blood flow, leading to impaired gas exchange.
ventilator-associated pneumonia
Healthcare-associated pneumonia developing in mechanically ventilated patients more than 48 hours after intubation.
vocal cord paralysis
Inability of one or both vocal cords to move properly, causing voice changes and potential airway obstruction in pediatr...
wheezing
A high-pitched, musical respiratory sound produced by turbulent airflow through narrowed intrathoracic airways, most com...
Wilson-Mikity syndrome
Rare chronic lung disease of prematurity characterized by progressive pulmonary deterioration without initial respirator...