Identify the device shown in the image.

NORCERT 8 Mains-2025

Child Health Nursing (Pediatrics)

Easy

Appeared in: NORCERT 8 Mains-2025

Explanation

The image shows a complete Bubble Continuous Positive Airway Pressure (CPAP) system, identified by its two main components: a pressure generator and a heated humidifier.
The key feature is the pressure generator on the left, where the expiratory tube is submerged in a water column. The depth of this tube creates a specific Positive End-Expiratory Pressure (PEEP) as the infant exhales, causing the characteristic bubbling.
The device on the right is a heated humidifier, which warms and moistens the air/oxygen mixture before it is delivered to the infant, a standard part of a CPAP setup.
This system is designed to provide continuous pressure to keep the alveoli open, improve functional residual capacity (FRC), and reduce the work of breathing in spontaneously breathing infants.

Option B: A High-Flow Nasal Cannula (HFNC) system does not use a water-bubble chamber to generate pressure. It relies on high gas flow rates to create a washout effect and provide a small amount of positive pressure.
Option C: While a humidifier is a visible and essential part of the setup, it is only one component. The entire system, including the pressure-generating mechanism, is a Bubble CPAP.
Option D: A nebulizer is a device used to administer medication in the form of a mist. The device shown is for respiratory support (pressure and oxygenation), not medication delivery.

Visual 1: Diagram: A flowchart illustrating the mechanism of Bubble CPAP, showing how the submerged expiratory limb in the water chamber generates Positive End-Expiratory Pressure (PEEP).
Visual 2: Infographic: A comparison chart showing the visual and functional differences between Bubble CPAP, conventional CPAP, and High-Flow Nasal Cannula (HFNC) systems.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Identification of neonatal respiratory support equipment as background academic context rather than a clinical decision trigger.
Bubble CPAP is a cost-effective and efficient method of non-invasive respiratory support for neonates, particularly in resource-limited settings. It is crucial for managing conditions like Respiratory Distress Syndrome (RDS).
Nurses must meticulously monitor the patient and the circuit. Key assessments include checking for continuous bubbling (verifying PEEP), ensuring the nasal interface does not cause skin breakdown, and monitoring for gastric distension ('CPAP belly').
What if? If the bubbling in the water chamber stops, the nurse's first action should be to assess the patient and the circuit for leaks or disconnection, as this indicates a loss of pressure which can lead to rapid decompensation.

How to Approach the Question

First, carefully examine the image to identify all visible components of the medical device.
Note the distinct parts: a water-filled beaker with a submerged tube on one side, and a heated, humidified chamber on the other, connected by tubing.
Recognize that the water-beaker setup is a specific mechanism for generating pressure. The bubbling action is a key clue.
Evaluate the options. 'Bubble CPAP' directly describes this mechanism.
Eliminate other options by comparing their known functions to what is visually represented. A 'Humidifier' is only part of the system. An 'HFNA mask' system works differently. A 'Nebulizer' has a different purpose (medication delivery).

Concept Tested & Keywords

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