A 4-month-old infant is admitted to the pediatric unit with … | 마이메르시 MyMerci
Infectious Diseases
문제

A 4-month-old infant is admitted to the pediatric unit with a diagnosis of respiratory syncytial virus (RSV) bronchiolitis. The infant is receiving oxygen via nasal cannula at 2 L/min and is in contact isolation. Which nursing action is the highest priority to ensure patient safety?

해설
Strict infection control (hand hygiene and PPE) is the highest priority for safety to prevent RSV transmission in a healthcare setting. Other actions like positioning or monitoring are important but secondary to infection prevention.

심화 해설

Core Nursing Explanation Key Concept Analysis: This question tests the application of Safety and Infection Control principles in a pediatric patient with a highly contagious respiratory illness. The core theme is identifying the Key Point! highest priority nursing action for patient safety. While all options are appropriate nursing interventions for an infant with RSV bronchiolitis, we must prioritize based on the greatest immediate risk to the patient and others. Respiratory Syncytial Virus (RSV) is a leading cause of bronchiolitis and pneumonia in infants. It is spread via contact transmission (direct contact with infectious secretions or contaminated surfaces) and droplet transmission (from coughs or sneezes). For a hospitalized infant, the risk of hospital-acquired infection (HAI) transmission to other vulnerable patients is a critical safety concern.

Answer Rationale: The correct answer is ① Implement strict hand hygiene protocols and ensure all staff wear appropriate personal protective equipment. This is the highest priority because: 1. Key Point! Safety First: The question explicitly asks for the action to "ensure patient safety." In the context of a contagious disease, safety encompasses preventing harm to the patient from other infections and, equally importantly, preventing the patient from harming others (other infants on the unit). Failure to contain RSV can lead to outbreaks with severe consequences for immunocompromised or premature infants. 2. Chain of Infection: Hand hygiene and PPE (like gowns and gloves) are the most effective interventions to break the chain of infection at the mode of transmission link. This is a fundamental, non-negotiable standard of care for contact isolation. 3. Nursing Process & Prioritization: Using frameworks like Maslow's Hierarchy of Needs or ABCs (Airway, Breathing, Circulation), infection control supports the physiological need for freedom from disease. While breathing is paramount, in this scenario, the airway/breathing is already being supported (oxygen therapy). The imminent, preventable threat is the spread of infection.

Distractor Analysis: • Watch out for confusion! ② Positioning the infant: Positioning in a semi-Fowler's or upright position is crucial for easing respiratory effort in bronchiolitis. However, the supine position is generally avoided for infants with respiratory distress as it can worsen symptoms. Even if corrected to "upright positioning," this is a therapeutic intervention for the individual patient's breathing, not the highest-priority safety action to prevent harm to others. • ③ Monitoring oxygen saturation and maintaining flow rate: This is a critical assessment and intervention for the patient's respiratory status. It falls under the "Breathing" component of ABCs. However, the oxygen is already in place and ordered. The priority safety action is to ensure the environment where this care is delivered does not become a vector for disease transmission. • ④ Assessing respiratory status every 2 hours: Routine assessment is a standard of care. However, for an infant on oxygen, continuous monitoring (as in option ③) or more frequent assessments might be indicated. A set schedule every 2 hours may not be frequent enough for a potentially unstable infant, and more importantly, it does not address the specific safety risk posed by the infectious diagnosis.

Related Concepts: This integrates knowledge of pediatric respiratory disorders, transmission-based precautions (Contact Precautions for RSV), and the NCLEX-RN focus on Safety and Infection Control as a major client needs category. Remember, for questions asking for the "priority," "safest," or "most important" action, always consider the context. When an infectious agent is involved, containing it is often a top-tier priority alongside physiological stability.

Concept SummaryRSV Bronchiolitis: Viral lower respiratory infection common in infants, causing inflammation, mucus plugging, and wheezing. • Transmission-Based Precautions: RSV typically requires Contact and Droplet Precautions. Key actions: Private room or cohorting, gloves & gown for contact, mask/eye protection if splash risk, dedicated equipment. • Hand Hygiene: The single most effective measure to prevent healthcare-associated infections. • Nursing Priorities for RSV: 1) Infection Control, 2) Maintain Airway & Oxygenation, 3) Maintain Hydration, 4) Provide Family Support.

Side-by-Side Comparison!
Intervention FocusPrimary GoalNCLEX Context
Infection Control (Hand Hygiene/PPE)Prevent transmission of pathogen; protect patient & others (Safety)Often the priority when a contagious disease or break in sterile technique is mentioned.
Respiratory Support (O2, Positioning)Maintain adequate oxygenation and ventilation (Physiological Integrity)Priority when patient is in acute distress (e.g., severe retractions, cyanosis).
Routine Assessment & DocumentationMonitor status, track trends, communicate findings (Basic Care)Important but rarely the single highest priority in a scenario with an acute risk.

Anatomy, Physiology & Pharmacology PointsPathophysiology: RSV infects the epithelial cells of the small airways (bronchioles), causing necrosis, inflammation, and edema. This leads to increased mucus production, airway obstruction, and air trapping, resulting in wheezing, crackles, and increased work of breathing. • Developmental Anatomy: Infants have smaller airways, weaker respiratory muscles, and are primarily nose-breathers, making them particularly vulnerable to respiratory compromise from inflammation and secretions.

Memory TipsAcronym: S.I.C.K. for RSV Priorities: Stop the Spread (Isolation), Improve Breathing (O2, suction), Check Hydration (IVF/feeds), Keep Family informed. • Rule of Thumb: On NCLEX, if the question mentions an infectious disease and asks for a safety action, infection control measures (hand hygiene, PPE, isolation) are almost always a top contender for the correct answer.

High-Frequency NCLEX Topics This question blends several high-yield areas: Pediatric Respiratory Emergencies, Transmission-Based Precautions, and Prioritization (Safety First). NCLEX loves to test if you know the specific precautions for common infections (RSV, C. diff, MRSA, TB) and if you can prioritize infection control within a plan of care.

Watch Out for Question Variations!Shift from "Safety" to "Therapeutic Effect": "Which intervention is most effective in improving the infant's respiratory status?" → Answer would likely be positioning or suctioning. • Shift to "Family Education": "What is the priority teaching point for the parents upon discharge?" → Answer would focus on hand hygiene, avoiding sick contacts, and recognizing signs of respiratory distress. • Adding Complication: If the infant's oxygen saturation dropped to 88%, then intervention ③ (addressing oxygenation) might become the immediate priority over infection control.

임상 시나리오

Nursing Clinical Practice Guide Clinical Scenario: You are the nurse assigned to care for 4-month-old Baby Mia, admitted with RSV bronchiolitis. She is tachypneic with nasal flaring and intermittent wheezing. She is on contact isolation, and a sign is on her door.

Nursing Intervention Strategy: 1. Assessment: Before entering the room, gather all necessary equipment (stethoscope, pulse oximeter, diaper, etc.). Upon entry, immediately perform hand hygiene and don gown and gloves. Assess Mia's respiratory status: rate, effort (retractions, grunting), breath sounds, oxygen saturation, and color. 2. Infection Control Execution: This is not a one-time action. You must: • Perform hand hygiene with soap and water or alcohol-based rub before and after every patient contact, and after removing PPE. • Wear a gown and gloves for all contact with the patient or her environment (bed, toys). • Limit the number of staff entering the room. Use dedicated equipment (e.g., stethoscope) left in the room. • Educate the family on precautions; they do not need to wear gowns/gloves but must perform rigorous hand hygiene. 3. Integrating Care: While providing respiratory care (suctioning nares, adjusting O2, holding upright), maintain infection control. Dispose of suction canisters and linens properly. Clean and disinfect the bedside table and frequently touched surfaces.

Patient Safety and Precautions: • Contact Precautions are for RSV: Remember, it's Contact & Droplet. A surgical mask is indicated if you are within 3 feet of the patient and procedures may generate splashes (e.g., suctioning). • Prevent Cross-Contamination: Never leave the isolation room with your gown or gloves on. The "inside" of the gown and gloves are considered contaminated. • Monitor for Deterioration: Infants with RSV can decompensate rapidly. While infection control is the overarching safety priority, continuous physiological monitoring is essential.

Nursing Procedure & Medication FlowSuctioning (Nasal/Oropharyngeal): Use a bulb syringe or suction catheter. Pre-oxygenate if needed. Limit suctioning to

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