Overview
Definition
Acute nephritic syndrome following Group A Strep infection.
Epidemiology
Varies globally depending on genetics, environment, or exposure.
Etiology & Risk Factors
- Type III Hypersensitivity (immune complex deposition).
Clinical Symptoms
- Hematuria (cola-colored urine)
- periorbital edema
- hypertension 2-3 weeks after strep throat/impetigo.
Clinical Approach
Diagnosis
- Low C3
- Positive ASO titer.
Management
- Supportive (fluid/salt restriction
- diuretics).
Complications
- Usually resolves spontaneously in children.