Related Experiment Video
Updated: Jul 29, 2025

Protocol and Guidelines for Point-of-Care Lung Ultrasound in Diagnosing Neonatal Pulmonary Diseases Based on International Expert Consensus
Published on: March 6, 2019
Persistent Tachypnoea in Early Infancy: A Clinical Perspective.
Samuel Menahem1,2,3,4, Arvind Sehgal1,5,6, Danielle F Wurzel2,7,8
1Department of Paediatrics, Monash University, Clayton, VIC 3168, Australia.
Persistent tachypnoea in infants can stem from various causes, including lingering newborn issues, congenital heart conditions, or respiratory problems. This review explores the diagnostic approach for persistent tachypnoea beyond the newborn period.
Area of Science:
- Pediatrics
- Neonatology
- Pulmonology
Background:
- Tachypnoea (rapid breathing) is common in newborns, often linked to respiratory distress syndrome.
- Congenital heart disease and chest lesions can also cause early tachypnoea.
- This paper focuses on persistent tachypnoea beyond the newborn period, which may indicate serious underlying pathology.
Purpose of the Study:
- To review the differential diagnosis of persistent tachypnoea in infants after the newborn period.
- To outline an approach for investigating infants with ongoing rapid breathing.
- To highlight potential serious underlying causes that may not be immediately apparent.
Main Methods:
- Literature review of causes of persistent tachypnoea in infants.
- Discussion of diagnostic considerations for congenital heart disease, respiratory conditions, and other pathologies.
- Emphasis on a systematic approach to evaluation.
Main Results:
- Persistent tachypnoea can arise from unresolved neonatal issues (e.g., pulmonary hypoplasia), congenital heart abnormalities (e.g., left-sided obstructive lesions, shunts), or respiratory diseases (e.g., cystic fibrosis, interstitial lung disease).
- Infective causes like bronchiolitis are usually recognizable.
- Some infants present with persistent tachypnoea that resolves spontaneously with normal investigations.
Conclusions:
- A thorough diagnostic evaluation is crucial for infants with persistent tachypnoea.
- Considering both cardiac and respiratory origins is essential.
- A structured approach aids in identifying and managing potentially serious underlying conditions.
More Related Videos
Related Concept Videos
Respiratory Volumes and Capacities I
Acute Respiratory Failure-IV
Respiratory Assessment: Purpose and Indications
Objectives and Importance:
The primary goal of respiratory assessment is to evaluate patients at early risk of clinical deterioration. Since respiratory distress often precedes other signs of declining health, breathing patterns and sounds become a...
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...
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...

