Skip to main content
← Back to Pediatric Pulmonology

Pediatric Pulmonology Glossary

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

Lung Clearance Index LCI

Advanced Technical IVT

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.

Showing 1–24 of 103

air leak syndrome

Advanced Technical IVT

Collection of conditions where air escapes from the alveoli into abnormal spaces within the thorax.

Pathological Process Full entry →

Airway Resistance

Intermediate Technical IVT

The opposition to airflow within the respiratory tract, measured as the pressure difference required to generate a unit...

Technical Term Full entry →

A hypersensitivity disorder caused by an immunological reaction to Aspergillus species colonising the bronchial mucosa,...

Technical Term Full entry →

apnea of prematurity

Intermediate Technical IVT

Cessation of breathing for 15-20 seconds in premature infants, often accompanied by bradycardia or oxygen desaturation.

Medical Condition Full entry →

Asthma Action Plan

Intermediate Semi-formal IVT

A written, personalized management document outlining step-by-step instructions for a pediatric patient to control asthm...

Document Type Full entry →

Asthma Predictive Index

Advanced Technical IVT

A validated clinical tool used in pediatric pulmonology to estimate the likelihood that recurrent wheezing in early chil...

Technical Term Full entry →

atelectasis

Intermediate Technical IVT

Partial or complete collapse of lung tissue resulting in reduced gas exchange and impaired ventilation.

Technical Term Full entry →

BiPAP

Intermediate Technical IVT

Bi-level positive airway pressure ventilation providing different pressure levels during inspiration and expiration for...

Abbreviation Full entry →

bronchial hyperresponsiveness

Advanced Technical IVT

Exaggerated bronchoconstrictive response to stimuli, a hallmark feature of asthma in children requiring specialized test...

Physiological Concept Full entry →

bronchiectasis

Advanced Technical IVT

Permanent, abnormal dilation and distortion of the bronchi resulting from chronic infection, inflammation, or obstructio...

Technical Term Full entry →

bronchiolitis

Intermediate Technical IVT

Inflammation of the small airways in the lungs, most commonly affecting infants under two years.

Technical Term Full entry →

bronchiolitis obliterans

Advanced Technical IVT

Rare inflammatory condition causing scarring and narrowing of the smallest airways in children.

Disease Condition Full entry →

Bronchoalveolar Lavage

Intermediate Technical IVT

A diagnostic procedure in which sterile saline is instilled and recovered from a distal airway segment via bronchoscope...

Technical Term Full entry →

bronchodilator

Intermediate Technical IVT

Medication that relaxes smooth muscle in airways to relieve bronchospasm, fundamental therapy in pediatric asthma and re...

Medication Class Full entry →

bronchogram

Advanced Technical IVT

Radiographic imaging study using contrast material to visualize the tracheobronchial tree and detect airway abnormalitie...

Technical Term Full entry →

bronchopulmonary dysplasia

Professional Technical IVT

A chronic lung disease affecting premature infants who required mechanical ventilation and oxygen therapy.

Technical Term Full entry →

bronchopulmonary sequestration

Advanced Technical IVT

Congenital malformation where abnormal lung tissue lacks normal bronchial connection and has anomalous blood supply.

Congenital Anomaly Full entry →

bronchoscopy

Intermediate Technical IVT

A procedure using a flexible or rigid scope to visualize the airways and perform diagnostic or therapeutic interventions...

Document Type Full entry →

chest physiotherapy

Basic Semi-formal IVT

A collection of manual and mechanical techniques used to mobilize and clear retained secretions from the airways in pedi...

Technical Term Full entry →

chest X-ray

Basic Semi-formal IVT

A plain radiographic image of the thorax used as a first-line imaging tool in pediatric pulmonology to evaluate lung fie...

Document Type Full entry →

choanal atresia

Advanced Technical IVT

Congenital blockage of the nasal passages that can cause severe respiratory distress in newborns who are obligate nasal...

Technical Term Full entry →

club cell

Intermediate Technical IVT

A non-ciliated secretory bronchiolar epithelial cell (formerly called Clara cell) that produces surfactant components an...

Style Convention Full entry →

complete tracheal rings

Advanced Technical IVT

A congenital tracheal anomaly in which the cartilaginous rings form complete circles rather than the normal C-shape, res...

Technical Term Full entry →

compliance

Intermediate Technical IVT

Measure of lung distensibility, representing the change in lung volume per unit change in pressure.

Physiological Parameter Full entry →
Showing 1–24 of 103

Editors from these organisations have used our services since 1998

Reuters BBC Oxford University Press Penguin Random House Springer Microsoft Suncor Energy United Nations Fisher Investments IBM The Home Depot KODAK CHEVRON