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Atrioventricular block in a toxic child: do not forget diphtheria
1Department of Pediatrics, Hadassah University Hospital, Jerusalem, Israel.
Pediatric Cardiology
|May 20, 2000
Summary
A severe throat infection caused by Corynebacterium diphtheriae led to fatal heart complications in a young child. The case highlights the critical cardiac risks associated with diphtheria, even with medical intervention.
Area of Science:
- Pediatric Cardiology
- Infectious Diseases
- Critical Care Medicine
Background:
- Diphtheria is a serious bacterial infection primarily affecting the respiratory system.
- Cardiac involvement in diphtheria, though known, can be severe and rapidly progressive.
- Early recognition and management of complications are crucial for patient outcomes.
Observation:
- A 4.5-year-old girl presented with severe febrile throat infection.
- The patient subsequently developed ventricular tachycardia and atrioventricular block.
- Throat cultures confirmed the presence of Corynebacterium diphtheriae.
Findings:
- The child experienced rapid cardiac deterioration, progressing to cardiogenic shock.
- Despite pacemaker insertion, the patient's condition was irreversible.
- Diphtheria toxin-induced myocarditis is the likely cause of cardiac dysfunction.
Implications:
- This case underscores the potential for severe, life-threatening cardiac complications from diphtheria in children.
- It emphasizes the importance of prompt diagnosis and aggressive management of diphtheria and its sequelae.
- Vaccination remains the most effective preventive strategy against diphtheria and its severe manifestations.
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