A 2-year-old male child is seen at Primary Health Center, MUAC is 11.5 cm and bipedal edema is present. Identify its diagnosis as per nutritional status?

1. A

   Moderate Acute Malnutrition

2. B

   Adequate Nutrition

3. C

   Severe Acute Malnutrition

4. D

   Nephrotic Syndrome

Appeared in: NHM MP Staff Nurse-2019

Explanation

• The diagnosis is Severe Acute Malnutrition (SAM) based on the WHO/UNICEF criteria for children aged 6-59 months.
• The presence of bilateral pitting edema on both feet is a definitive sign of SAM, irrespective of the Mid-Upper Arm Circumference (MUAC) or weight-for-height score.
• While a MUAC of 11.5 cm is on the cusp of SAM, the edema confirms the diagnosis and indicates a high risk of mortality, requiring urgent medical attention.
• This condition is also known as edematous malnutrition or kwashiorkor.

Why Other Options Were Wrong

• Option A: Moderate Acute Malnutrition (MAM) is diagnosed when the MUAC is between 11.5 cm and 12.4 cm, but critically, there must be no edema.
• Option B: Adequate nutrition is indicated by a MUAC of 12.5 cm or greater and the absence of edema. This child's findings are far below this threshold.
• Option D: Nephrotic syndrome is a kidney disorder that also causes edema. However, the question asks for a diagnosis based on nutritional status. Edema of nutritional origin is a hallmark of SAM. Also, nephrotic syndrome typically presents with generalized edema (including the face and abdomen), heavy proteinuria, and often a normal or even increased MUAC, which differs from this clinical picture.

Related Visual

Clinical Relevance

• Nursing practice connection: Use the key finding related to Diagnosis of acute malnutrition in children using anthropometric measurements and clinical signs to guide bedside assessment, documentation, and the next nursing action.
• Identifying SAM is a critical nursing skill in primary care, as these children have a very high risk of death from common childhood illnesses like diarrhea, pneumonia, and sepsis.
• The presence of edema (kwashiorkor) signifies a more severe metabolic derangement than wasting alone (marasmus) and requires urgent, specialized inpatient care.
• Nurses at the PHC level must be able to quickly identify, provide essential pre-referral treatment (like preventing hypoglycemia and hypothermia), and ensure safe and prompt referral to a Nutrition Rehabilitation Centre (NRC).

How to Approach the Question

• First, identify the key clinical data provided: patient's age (2 years), MUAC (11.5 cm), and the presence of bipedal edema.
• Recall the standard diagnostic criteria for acute malnutrition in children aged 6-59 months.
• Recognize that there are three independent criteria for Severe Acute Malnutrition (SAM): MUAC less than 11.5 cm, presence of bilateral pitting edema, or a very low weight-for-height score.
• Apply the criteria to the case. Note that the presence of bipedal edema is a standalone, definitive criterion for SAM.
• Conclude that even if the MUAC was in the moderate range, the edema automatically upgrades the diagnosis to SAM.
• Eliminate other options based on these criteria. MAM is incorrect because of the edema. Adequate nutrition is incorrect due to the low MUAC and edema. Nephrotic syndrome is a differential but not the primary diagnosis based on nutritional status as requested.

Concept Tested & Keywords

• Concept Tested: Diagnosis of acute malnutrition in children using anthropometric measurements and clinical signs.
• Stem keywords: 2-year-old, Primary Health Center, MUAC is 11.5 cm, bipedal edema, nutritional status
• Lead-in keywords: Identify its diagnosis
• Clinical cues: The presence of bipedal edema is a critical clinical sign that overrides other measurements in diagnosing severe malnutrition.

Question ID

QP34_bVInwPtK1olNybWci

Copy ID

Reference Book

E6 Ghai Essential Pediatrics(pp 26-904 of 913) pp. 86-88, 798-800

E6 Nelson Textbook of Pediatrics(2024) — Volume 1 p. 471-473