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Post-Streptococcal GN — RACP Paediatrics MCQ

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ModerateNephrologyPost-Streptococcal GNRACP Paediatrics

A 4-year-old Aboriginal girl from a remote community presents with periorbital oedema, dark urine, and hypertension 10 days after impetigo. C3 is low. ASO titre is elevated. What is the diagnosis?

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Correct answer: A — Post-streptococcal glomerulonephritis

APSGN: follows GAS skin infection (impetigo) or pharyngitis by 1-3 weeks. Presents with haematuria, oedema, hypertension, low C3, elevated ASO. Common in Aboriginal communities. Self-limiting in most children.

Reference: RCH Melbourne – 2024 – Clinical Practice Guidelines: Glomerulonephritis