Flaring of the nostrils might indicate? & x20; - DSSSB - 29 August 2019 (Shift-2)

DSSSB - 29 August 2019 (Shift-2)

Child Health Nursing (Pediatrics)

Easy

Appeared in: DSSSB - 29 August 2019 (Shift-2)

Explanation

Nasal flaring is a cardinal sign of respiratory distress, indicating an increased work of breathing.
It is a compensatory mechanism where the alae nasi muscles contract to widen the nasal passages, thereby reducing airway resistance.
This action helps to increase the volume of air inhaled, which is particularly crucial for infants who are obligate nasal breathers.
Its presence signals that the patient is actively struggling to get enough air.

Option A: A congenital anomaly is a structural defect present at birth. While it can cause breathing problems, nasal flaring is the resulting sign of distress, not the anomaly itself.
Option B: Cyanosis is the bluish discoloration of the skin from poor circulation or inadequate oxygenation. It is a sign of hypoxia, which can occur with respiratory distress, but it is not what nasal flaring directly indicates.
Option C: An injury, such as chest trauma or an airway obstruction from a foreign body, can lead to respiratory distress. However, the flaring is the sign of the body's response to the breathing difficulty caused by the injury, not the injury itself.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Clinical signs of respiratory distress as background academic context rather than a clinical decision trigger.
Early recognition of nasal flaring by a nurse is critical for timely intervention to prevent the progression to respiratory failure, especially in pediatric patients.
A nurse must perform a complete respiratory assessment, looking for other signs like retractions, grunting, and abnormal respiratory rates to determine the severity of the distress.
What if? If nasal flaring is accompanied by a slowing respiratory rate, lethargy, and cyanosis, it signifies exhaustion and impending respiratory arrest, requiring immediate emergency airway management and ventilation support.

How to Approach the Question

First, identify the key clinical sign mentioned in the question: 'flaring of the nostrils'.
Understand that the question is asking for the direct clinical condition that this sign indicates.
Evaluate each option to determine its relationship to the sign.
Differentiate between a direct sign (the body's compensatory action), an associated finding (a consequence like cyanosis), and a potential cause (an anomaly or injury).
Select the option that represents the most immediate and accurate interpretation of the physical finding. Nasal flaring is a direct manifestation of the body's effort to breathe, which defines respiratory distress.

Concept Tested & Keywords

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E6 Nelson Textbook of Pediatrics(2024) — Volume 2 p. 330-332

E6 Nelson Textbook of Pediatrics(2024) — Volume 1 p. 657-659