A pediatric patient is admitted in pediatric unit. Which parameter indicates that the child would require isolation or a separate room?

Appeared in: NORCET 5 Prelims - Sept 2023 (Shift-1)

Explanation

A White Blood Cell (WBC) count of 18,000 cells/mm3 is known as leukocytosis, which is an elevation in the number of white blood cells.
This finding is a primary indicator of an underlying infection, which may be contagious.
To prevent the spread of a potential infectious agent to other vulnerable patients in the pediatric unit, the child should be placed in isolation or a separate room (transmission-based precautions).
The body increases WBC production to fight off pathogens like bacteria or viruses.

Option A: A hemoglobin (Hb) of 7 gm/dl indicates anemia. Anemia is a condition related to red blood cells and their ability to carry oxygen; it is not an infectious or contagious disease.
Option C: A platelet count of 300,000 cells/mm3 (3 lakh) is within the normal range for a child (typically 150,000-450,000/mm3). This value does not suggest an infection or any condition requiring isolation.
Option D: A Red Blood Cell (RBC) count of 4 million/mm3 is within the normal range for a pediatric patient. It does not indicate an infectious process.

Clinical Relevance

Nursing practice connection: Use the key finding related to Interpretation of pediatric lab values for infection control to guide bedside assessment, documentation, and the next nursing action.
Nurses must promptly recognize abnormal lab values like leukocytosis to initiate appropriate infection control measures, such as transmission-based precautions, which is critical for protecting other patients and staff.
In a pediatric unit, where many patients may be immunocompromised or critically ill, preventing nosocomial (hospital-acquired) infections is a top patient safety priority.
What if? If the WBC count was very low, for example, 1,800 cells/mm3 (leukopenia), the child would still require a separate room. However, the purpose would be 'protective' or 'reverse' isolation to protect the immunocompromised child from acquiring an infection from others.

How to Approach the Question

First, identify the core concept of the question: Why is a patient isolated? The primary reason is to prevent the spread of a contagious infection.
Next, analyze each lab value provided in the options to determine which one is a key indicator of infection.
Evaluate Hb 7 gm/dl: Recognize this as low hemoglobin (anemia), which is not contagious.
Evaluate WBC 18,000 cells/mm3: Identify this as a high white blood cell count (leukocytosis), a classic sign of the body fighting an infection.
Evaluate Platelets 3,00,000 cells/mm3 and RBC 4 millions/mm3: Recognize these as being within normal limits, thus not indicating an acute infectious process.
Conclude that the high WBC count is the only parameter that strongly suggests a potentially contagious condition, therefore warranting isolation.

Concept Tested & Keywords

Concept Tested: Interpretation of pediatric lab values for infection control.
Stem keywords: pediatric patient, isolation, separate room, parameter
Lead-in keywords: indicates
Clinical cues: Age/sex group narrows the expected diagnosis, intervention, or normal reference range.
Negative lead-in flag: false

Q1aQXwIAhxhv9Mm6hP4diQ

E6 Ghai Essential Pediatrics(pp 26-904 of 913) p. 165-167

E6 Nelson Textbook of Pediatrics(2024) — Volume 1 p. 1127-1129

E6 Nelson Textbook of Pediatrics(2024) — Volume 2 p. 810-812

Practise the full NORCET 5 Prelims - Sept 2023 (Shift-1)

Attempt every question from this paper in a timed mock, then review the full solution for each one.