Related Experiment Video
Updated: Aug 8, 2026

Electrophysiology on Isolated Brainstem-spinal Cord Preparations from Newborn Rodents Allows Neural Respiratory Network Output Recording
Published on: November 19, 2015
Grunting respirations in infants and children
S R Poole1, M Chetham, M Anderson
1Department of Peditarics, University of Colorado School of Medicine, Children's Hospital, Denver 80218, USA.
Grunting respirations in children, beyond newborns, often signal serious illness. Presenting symptoms help identify causes, guiding diagnostic tests for pediatric patients.
Area of Science:
- Pediatric Emergency Medicine
- Respiratory Physiology
- Clinical Diagnostics
Background:
- Grunting respirations are a recognized indicator of severe illness in infants and children, yet research beyond the neonatal period is limited.
- This study investigates the diverse causes of grunting respirations in pediatric patients presenting to an emergency department.
Observation:
- A descriptive study identified 51 pediatric patients (1 month to 18 years) with grunting respirations over five months.
- Patients were categorized into three groups based on presentation: respiratory symptoms, high fever without respiratory signs, or neither.
- Grunting respirations occurred in 0.3% of emergency department visits.
Findings:
- Group 1 (55%): Predominantly respiratory signs indicated underlying respiratory or cardiac conditions.
- Group 2 (25%): High fever without respiratory signs suggested infectious causes, frequently invasive bacterial disease.
- Group 3 (20%): Absence of fever and respiratory signs pointed to conditions causing pain.
Implications:
- Presenting symptoms of grunting respirations can effectively guide the selection of diagnostic tests.
- The findings provide a framework for evaluating pediatric patients exhibiting grunting respirations.
- Establishing clear diagnostic guidelines can improve the timely identification and management of serious pediatric conditions.
More Related Videos
Related Concept Videos
Respiratory Volumes and Capacities I
Assessment of Ventilation II: Respiratory Depth and Rhythm
Respiratory depth measures the volume of air inhaled or exhaled during a breath. It can vary from shallow to deep and typically remains consistent when a person is at rest or asleep. Occasionally, individuals will automatically inhale deeply, known as sighing, which inflates the lungs with more air than normal breathing.
To assess respiratory depth, observe the degree of chest excursion or movement:
Alterations in Respiration II
In Biot's breathing, the respiratory rate and depth are irregular, alternating between periods of deep gasping and apnea. Common causes include...
Pulmonary Cycle: Exhalation
Physical Assessment of the Respiratory Tract II: Inspection
Chest Configuration
The chest configuration can...
Respiratory System Abnormal Finding I: Inspection and Percussion
Inspection Findings
During an inspection, several findings may suggest the presence of respiratory distress or disease. Pursed-lip breathing, where exhalation is slowed by...

