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Updated: Jun 16, 2026

Protocol and Guidelines for Point-of-Care Lung Ultrasound in Diagnosing Neonatal Pulmonary Diseases Based on International Expert Consensus
Published on: March 6, 2019
Occult pneumonia: an unusual but perilous entity presenting with severe malnutrition and dehydrating diarrhoea
Mohammod J Chisti1, Mohammed A Salam, Sharifuzzaman
1Clinical Sciences Division,, ICDDR,B, Mohakhali, Dhaka 1212, Bangladesh. chisti@icddrb.org
Insights
Severely malnourished infants may not show typical pneumonia signs. Clinicians should consider occult pneumonia and Staphylococcus aureus bacteremia in these children, even without obvious symptoms.
Area of Science:
- Pediatrics
- Infectious Diseases
- Public Health
Background:
- Severe malnutrition in infants presents complex clinical challenges.
- Early recognition and management of co-existing infections are crucial for improving outcomes.
Observation:
- A 3-month-old infant with severe malnutrition presented with diarrhea, dehydration, and suspected dyselectrolytemia.
- Radiological evidence of pneumonia was found despite the absence of typical clinical signs.
- Staphylococcus aureus bacteremia was confirmed via blood culture.
Findings:
- Occult pneumonia can occur in severely malnourished children without overt clinical symptoms.
- Severe malnutrition can mask the presentation of serious infections like pneumonia and bacteremia.
- Prompt diagnosis and treatment are vital for managing these complex cases.
Implications:
- Healthcare providers must maintain a high index of suspicion for occult infections in severely malnourished children.
- Diagnostic imaging and microbiological investigations are essential for accurate assessment.
- Integrated management strategies are needed to address malnutrition and co-infections effectively.
Abstract:
A three-month old boy was admitted to the Dhaka Hospital of the International Centre for Diarrhoeal Disease Research, Bangladesh (ICDDR,B), Dhaka, Bangladesh, with the problems of acute watery diarrhoea with some dehydration and suspected dyseletrolytaemia, severe malnutrition, and reduced activity. Occult pneumonia was added to the problem list after demonstration of radiologic consolidation in right upper lung, despite the lack of clinical signs, both on admission and after correction of dehydration. The problem list was further expanded to include bacteraemia due to Staphylococcus aureus when the blood culture report was available. Severely-malnourished children may not exhibit typical clinical signs of pneumonia, and the possibility of existence of such problems should be remembered in the assessment and provision of care to hospitalized young children with severe malnutrition.
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