A 10-year-old child has been admitted in a paediatric medical ward with sudden onset of haematuria, oliguria, edema and hypertension. Which one of the following conditions the child is likely to have?

1. A

   Nephrotic syndrome

2. B

   Acute kidney injury

3. C

   Acute glomerulonephritis

4. D

   Chronic renal failure

Appeared in: ESIC Nursing Officer-7July 2024

Explanation

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• The child's symptoms—sudden onset of hematuria (blood in urine), oliguria (low urine output), edema (swelling), and hypertension (high blood pressure)—are the hallmark signs of acute nephritic syndrome.
• Acute Glomerulonephritis (AGN) is the most common cause of acute nephritic syndrome in the pediatric population, particularly in the 5-12 year age group.
• The underlying pathophysiology involves inflammation of the glomeruli, which damages the capillary walls. This damage allows red blood cells to leak into the urine (hematuria) and reduces the glomerular filtration rate (GFR), causing fluid and sodium retention, which manifests as oliguria, edema, and hypertension.
• Often, AGN in children is post-infectious, typically developing 1-3 weeks after a streptococcal throat or skin infection (Post-Streptococcal Glomerulonephritis or PSAGN).

Why Other Options Were Wrong

• Option A: Nephrotic syndrome is incorrect because its defining features are massive proteinuria and severe generalized edema (anasarca) due to low serum albumin. Significant hematuria and marked hypertension are not characteristic of nephrotic syndrome.
• Option B: Acute kidney injury (AKI) is a general term for a rapid loss of kidney function. While the child's condition is a form of AKI, 'Acute glomerulonephritis' is the more specific and accurate diagnosis that identifies the underlying cause of the kidney injury based on the unique cluster of symptoms.
• Option D: Chronic renal failure (CRF) is incorrect because it is a progressive disease that develops over a long period (months to years). The question explicitly states a "sudden onset" of symptoms.

Related Visual

• Visual 1: Table: A comparative table outlining the key clinical and laboratory differences between Nephritic Syndrome and Nephrotic Syndrome.
• Visual 2: Illustration: A diagram showing periorbital edema (puffiness around the eyes), a characteristic sign of fluid retention in children with Acute Glomerulonephritis.
• Visual 3: Flowchart: A flowchart illustrating the pathophysiology of Post-Streptococcal Glomerulonephritis, from the initial infection to the development of renal symptoms.

Clinical Relevance

• Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Differential diagnosis of pediatric renal disorders based on clinical presentation as background academic context rather than a clinical decision trigger.
• A primary nursing responsibility for a child with AGN is frequent and accurate blood pressure monitoring, as severe hypertension can lead to complications like seizures (hypertensive encephalopathy) or heart failure.
• Strict monitoring of fluid intake and output, along with daily weight measurement, is crucial to manage fluid balance and assess the severity of oliguria and edema.
• Nurses should assess for a history of a recent sore throat or skin infection (pyoderma), as this can help confirm the diagnosis of post-streptococcal AGN.

How to Approach the Question

• First, carefully read the clinical scenario and identify the key signs and symptoms presented by the 10-year-old child: sudden onset, haematuria, oliguria, edema, and hypertension.
• Recognize this specific cluster of four symptoms as the classic presentation of 'acute nephritic syndrome'.
• Next, evaluate the given options. Think about the typical presentation of each condition.
• Differentiate between nephritic syndrome (inflammation-driven, with hematuria and hypertension) and nephrotic syndrome (protein loss-driven, with massive proteinuria and edema).
• Eliminate 'Chronic renal failure' due to the 'sudden onset' described in the stem.
• Choose 'Acute glomerulonephritis' over the more general term 'Acute kidney injury' because it is the most specific diagnosis that perfectly matches the classic nephritic picture in a child.

Concept Tested & Keywords

• Concept Tested: Differential diagnosis of pediatric renal disorders based on clinical presentation.
• Stem keywords: 10-year-old child, sudden onset, haematuria, oliguria, edema, hypertension
• Lead-in keywords: Which one of the following
• Clinical cues: The combination of hematuria, oliguria, edema, and hypertension in a school-aged child is a classic presentation pointing towards a specific glomerular disease.

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