A 9-month-old infant is admitted to the pediatric unit with a diagnosis of respiratory syncytial virus (RSV) bronchiolitis. The infant is experiencing moderate respiratory distress with nasal flaring, intercostal retractions, and oxygen saturation of 88% on room air. Which nursing intervention should be the priority?
1Administer bronchodilators as prescribed to improve airway patency
2Position the infant in a semi-Fowler's position and provide supplemental oxygen✓ 정답
3Encourage increased fluid intake to prevent dehydration
4Perform chest physiotherapy to mobilize secretions
해설
Positioning and supplemental oxygen are priorities to address hypoxia and improve breathing mechanics in infants with RSV bronchiolitis. Other options like bronchodilators or fluids are supportive but not immediate for respiratory distress.
Core Nursing ExplanationKey Concept Analysis: This question tests the application of nursing priorities in a pediatric patient with acute respiratory distress. The core theme is the ABC (Airway, Breathing, Circulation) framework. The infant has Respiratory Syncytial Virus (RSV) bronchiolitis, which causes inflammation and mucus plugging in the small airways (bronchioles), leading to air trapping, wheezing, and increased work of breathing. The clinical signs (nasal flaring, intercostal retractions) and an oxygen saturation of 88% (Normal: 95-100%) indicate Key Point!significant hypoxia and respiratory distress, which is a life-threatening condition requiring immediate intervention.
Answer Rationale: The priority nursing intervention is Key Point!Position the infant in a semi-Fowler's position and provide supplemental oxygen (Option 2). This directly addresses the primary problems of hypoxia and increased work of breathing.
Positioning (semi-Fowler's): Elevating the head of the bed uses gravity to lower the diaphragm, expand the lungs, and decrease the work of breathing. It is a simple, immediate, and non-invasive intervention.
Supplemental Oxygen: An SpO2 of 88% is critically low and indicates hypoxemia. Administering oxygen is the direct treatment to correct hypoxia, prevent further complications (like respiratory failure), and support vital organ function. This aligns perfectly with the "B" (Breathing) of the ABCs.
Distractor Analysis:
Watch out for confusion!Option 1 (Administer bronchodilators): While bronchodilators like albuterol are sometimes used, they are not consistently effective in classic RSV bronchiolitis because the primary problem is inflammation and mucus plugging, not smooth muscle bronchospasm as in asthma. Furthermore, administering medication is not the first action when the patient is hypoxic; you must secure oxygenation first.
Option 3 (Encourage increased fluid intake): Maintaining hydration is important to thin secretions and prevent dehydration from tachypnea and fever. However, it is a supportive measure, not the immediate priority for a patient in active respiratory distress with hypoxia. In severe distress, forcing oral fluids could even lead to aspiration.
Option 4 (Perform chest physiotherapy): Chest physiotherapy (CPT) or percussion is generally not recommended for infants with RSV bronchiolitis. It can be irritating, increase the risk of aspiration, and is ineffective at clearing the inflamed, small bronchioles. It may even worsen bronchospasm. Current guidelines do not support its routine use in this condition.
Related Concepts: The management of RSV focuses on supportive care: oxygenation, hydration, and sometimes suctioning. Severe cases may require high-flow nasal cannula (HFNC) or intubation. Understanding the pathophysiology (small airway disease vs. large airway spasm) is key to choosing correct interventions.
Concept Summary
Concept
Key Points for RSV Bronchiolitis
Pathophysiology
Viral infection → inflammation & necrosis of bronchiolar epithelium → edema & mucus production → airway obstruction & air trapping.
Priority Assessment
Work of breathing (retractions, nasal flaring, grunting), respiratory rate, oxygen saturation (SpO2), lung sounds (wheezes, crackles).
Priority Intervention (ABCs)
1. Position (semi/high Fowler's). 2. Administer oxygen to correct hypoxia. 3. Suction nares/oropharynx carefully.
Supportive Care
Maintain hydration (IV or oral cautiously), antipyretics for fever, monitor for apnea (in young infants).
Directly reverses airway constriction; oxygen also given.
Croup (Laryngotracheobronchitis)
Upper airway edema (subglottic area)
Nebulized epinephrine, corticosteroids, humidified air
Reduces subglottic swelling to improve airflow.
Anatomy, Physiology & Pharmacology Points
Physiology: Hypoxia (low oxygen in tissues) stimulates the respiratory center, leading to increased work of breathing (retractions, nasal flaring). Prolonged hypoxia can lead to respiratory acidosis and failure.
Pharmacology: Palivizumab is a monoclonal antibody given as RSV prophylaxis to high-risk infants. It is not a treatment for active infection.
Assessment: In infants, intercostal, subcostal, and suprasternal retractions are clear signs of increased respiratory effort. Grunting is a late, serious sign.
Memory Tips
ABCs Rule: Always go back to Airway, Breathing, Circulation. If the patient has low oxygen saturation (<90%), oxygen is almost always the first priority.
Positioning: "Head Up, Breathe Up" for any respiratory distress.
High-Frequency NCLEX Topics
NCLEX loves to test priority-setting in pediatric respiratory emergencies. RSV is a classic scenario. Remember: Assess for hypoxia first, intervene with oxygen/positioning, then proceed to other orders. Questions often include distractors that are correct actions but not the immediate or priority action.
Watch Out for Question Variations!
Instead of asking for the priority intervention, it might ask: "Which finding requires immediate intervention?" Answer: Oxygen saturation of 88%.
It might shift to medication: "The nurse prepares to administer prescribed albuterol. Which assessment is most important before administration?" Answer: Heart rate (albuterol can cause tachycardia).
It could test knowledge of isolation: "What precautions are required for this infant?" Answer: Contact and droplet precautions (RSV is spread through droplets and contact with secretions).
Nursing Clinical Practice GuideClinical Scenario: You are the nurse receiving a 9-month-old, "Ethan," from the ER. He is fussy, tachypneic with a respiratory rate of 58, has audible wheezing, and subcostal retractions. His pulse oximeter reads 88% on room air. His parents are anxious, stating he's had a runny nose and cough for 3 days that suddenly got worse tonight.
Nursing Intervention Strategy:
Immediate Action (First 5 minutes):
Positioning: Immediately place Ethan in a semi-Fowler's or infant seat position. Never lay him flat.
Oxygen: Apply a nasal cannula or blow-by oxygen as ordered to achieve SpO2 > 92%. Start low (e.g., 1-2 L/min) and titrate up.
Assessment: Perform a focused respiratory assessment while initiating oxygen: count respirations for a full minute, auscultate lung sounds, note the depth and pattern of retractions.
Ongoing Care & Monitoring:
Vital Signs & O2: Monitor SpO2 continuously and vital signs frequently (every 15-30 min initially).
Suctioning: Use a bulb syringe or nasal aspirator gently to clear the nares before feeds and as needed. Deep suctioning requires an order and careful technique to avoid causing edema.
Hydration: Assess for dehydration (dry mucous membranes, decreased urine output). Offer small, frequent feeds of breast milk/formula. IV fluids may be started if oral intake is poor.
Family Support & Education: Explain all procedures to parents in simple terms. Teach them signs of worsening distress (increased retractions, grunting, cyanosis, lethargy).
Patient Safety and Precautions:
Isolation: Place Ethan on Contact and Droplet Precautions. Wear a gown and gloves for direct contact, and a mask if within 3 feet (especially during suctioning). This protects other vulnerable patients on the unit.
Medication Caution: If bronchodilators are prescribed, monitor for tachycardia, tremors, and irritability as side effects. Document response (improvement in work of breathing, O2 saturation, lung sounds).
Apnea Monitoring: Very young infants (<6 months) with RSV are at risk for apnea. Monitor respiratory pattern closely, especially during sleep.
Nursing Procedure & Medication FlowAdministering Supplemental Oxygen to an Infant:
Explain the procedure to the parent (even if the infant doesn't understand).
Choose the correct device: Nasal cannula for low-flow, simple mask or high-flow nasal cannula for higher needs.
Ensure oxygen is humidified to prevent drying of nasal passages.
Secure tubing so it does not pull on the infant's face or pose a strangulation risk.
Check skin under the cannula/mask every 2-4 hours for pressure injury.
Document: Device, flow rate (L/min or FiO2%), patient's SpO2 before and after, and tolerance.
Medication Note: Ribavirin, an antiviral for severe RSV, is rarely used and requires special aerosol administration precautions due to teratogenic risk for healthcare workers who are pregnant.
A Word from Your Senior Nurse
"In the whirlwind of a busy peds unit, a crying, struggling infant can spike anyone's anxiety. Your first job is to stay calm and fix the oxygen problem. I've seen new nurses rush to call the doctor for meds before even putting the kid on oxygen. Remember your ABCs – it's your anchor. Positioning and oxygen are tools you control immediately. By improving Ethan's oxygenation, you're not just following an order; you're giving his little body the support it needs to fight the virus. Watch those retractions – when they start to soften and his sats come up, you'll feel that 'nurse win.' That's the moment you're making a real difference."
Respiratory Syncytial Virus — A common respiratory virus that infects the lungs and breathing passages. In infants, it is the most common cause of bronchiolitis and pneumonia.
Bronchiolitis — Inflammation of the small airways (bronchioles), often caused by a viral infection like RSV, leading to mucus plugging, wheezing, and respiratory distress.
Intercostal Retractions — The visible sinking in of the soft tissues between the ribs during inhalation, a sign of increased work of breathing and respiratory distress.
Hypoxemia — A low level of oxygen in the blood, typically indicated by an oxygen saturation (SpO2) below 90-92%. It is a medical emergency requiring oxygen therapy.
Contact and Droplet Precautions — Infection control measures used for pathogens like RSV, involving wearing a gown and gloves for contact, and a mask for close contact, to prevent transmission via large respiratory droplets and contaminated surfaces.