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A 7-Year-Old Boy with Fever and Dark Urine
Tony M Chuang1, Lihong Bu1, Derek N Opp1
1from the Mayo Clinic Pediatric and Adolescent Medicine Residency Program and the Division of Pediatric Nephrology and Hypertension.
NEJM Evidence
|February 6, 2024
Summary
A 7-year-old boy with repaired tetralogy of Fallot experienced fever and dark urine. This case highlights the diagnostic approach for pediatric patients with complex congenital heart disease presenting with unusual symptoms.
Area of Science:
- Pediatric Cardiology
- Internal Medicine
- Clinical Diagnosis
Background:
- Tetralogy of Fallot is a complex congenital heart defect requiring surgical repair.
- Post-surgical patients may present with atypical symptoms requiring thorough evaluation.
- Fever and dark urine in children can indicate various underlying pathologies.
Observation:
- A 7-year-old boy with a history of surgically repaired tetralogy of Fallot presented with fever and dark urine.
- The clinical presentation prompted an investigation into potential causes in a patient with a known cardiac anomaly.
Findings:
- The evaluation focused on differentiating infectious, hematologic, and renal causes of the symptoms.
- Diagnostic considerations included urinary tract infections, hemolysis, and complications related to the repaired congenital heart disease.
Implications:
- This case underscores the importance of a comprehensive diagnostic strategy in pediatric patients with congenital heart disease.
- Recognizing the potential for diverse etiologies of fever and dark urine is crucial for timely and accurate diagnosis.
- Effective management requires a multidisciplinary approach integrating cardiology, nephrology, and infectious disease expertise.
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