A 9-month-old infant is admitted to the pediatric unit with … | 마이메르시 MyMerci
Child Health
문제

A 9-month-old infant is admitted to the pediatric unit with suspected pertussis. The infant has been experiencing paroxysmal coughing spells followed by a high-pitched 'whoop' sound and post-tussive vomiting. What is the most critical nursing intervention to implement immediately?

해설
Maintaining a quiet environment minimizes stimulation that can trigger severe coughing and hypoxia in pertussis. Other interventions are important but do not address the immediate risk of respiratory compromise.

심화 해설

Core Nursing Explanation Key Concept Analysis: This question tests the priority nursing intervention for an infant with Pertussis (Whooping Cough). Pertussis is a highly contagious bacterial infection caused by Bordetella pertussis. The hallmark symptom is severe, uncontrollable Paroxysmal coughing spells that can last for weeks. In infants, these coughing fits are particularly dangerous because they can lead to Key Point! Apnea (cessation of breathing), Cyanosis, and severe Hypoxia. The pathophysiology involves bacterial toxins that damage the cilia in the respiratory tract, leading to thick mucus accumulation and severe airway irritation. Answer Rationale: The most critical immediate intervention is Key Point! Minimizing environmental stimulation. Why? Because in pertussis, the severe coughing paroxysms are often triggered by external stimuli such as sudden noises, bright lights, feeding, or even physical examination. By creating a calm, quiet, and dimly lit environment, the nurse can directly reduce the frequency and severity of these life-threatening coughing spells. This intervention directly addresses the ABCs (Airway, Breathing, Circulation) priority by preventing episodes that compromise the airway and breathing. For a 9-month-old infant, whose respiratory system is already vulnerable, preventing these paroxysms is the top priority to avert respiratory failure. Distractor Analysis:
Watch out for confusion! Administering antibiotics (Option ②): While antibiotics (like azithromycin) are prescribed to reduce transmission and bacterial load, they do not alleviate the symptoms or coughing spells once the paroxysmal stage has begun. The critical damage from toxins has already occurred. Therefore, this is a necessary but not the *most critical immediate* intervention for the current respiratory distress.
Watch out for confusion! Frequent small feedings (Option ③): This is an important supportive care measure to maintain nutrition and hydration, as vomiting after coughing is common. However, it does not address the primary, immediate threat of the coughing paroxysm itself and the resulting hypoxia. Feeding can even be a trigger for a cough.
Watch out for confusion! High Fowler's position (Option ④): Positioning to facilitate breathing is a standard intervention for respiratory distress. However, for an infant with pertussis, the primary issue is not simple dyspnea but violent, triggered coughing fits. While upright positioning may offer some comfort, it does not directly prevent the trigger of the paroxysm, which is the core immediate threat. Related Concepts: Pertussis has three stages: Catarrhal (cold-like symptoms), Paroxysmal (severe coughing spells), and Convalescent (gradual recovery). The paroxysmal stage is the most dangerous. Nursing care focuses on airway management, oxygenation, and preventing triggers. Isolation precautions (Droplet Precautions) are mandatory for 5 days after starting antibiotic therapy. Concept Summary
ConceptKey Points
Pertussis (Whooping Cough)Bacterial infection (Bordetella pertussis). Characterized by paroxysmal coughing, whoop, post-tussive vomiting. Most severe in infants

임상 시나리오

Nursing Clinical Practice Guide Clinical Scenario: You are the nurse on a pediatric unit. A 9-month-old, "Liam," is admitted with a diagnosis of pertussis. He is in the paroxysmal stage. His parents are anxious, reporting he turns red and seems to stop breathing during coughing fits, which are worse at night or when he gets startled. Nursing Intervention Strategy: 1. Immediate Action & Environment: Place Liam in a private, quiet room at the end of the hall. Use dim lighting. Place a sign on the door: "QUIET ZONE - Minimal Stimulation Required." Cluster all care (assessments, medications, feeding) to avoid frequent disturbances. 2. Assessment & Monitoring: Use a cardiorespiratory monitor with apnea alarm. Assess Key Point! respiratory status before, during, and after paroxysms: count respiratory rate, observe for cyanosis (bluish lips/skin), and listen for the "whoop." Document the frequency, duration, and triggers of coughing spells. 3. Airway & Nutrition Management: Have suction equipment (bulb syringe, Yankauer) at bedside. Suction the nares and oropharynx gently after a coughing spell if needed. For feeding, offer small, frequent amounts of breast milk/formula 30-45 minutes after a paroxysm when the infant is most calm, to reduce aspiration risk. 4. Family Education & Support: Teach parents about the disease course and the critical importance of a calm environment. Demonstrate how to recognize signs of distress (apnea, color change) and perform gentle suctioning. Provide emotional support—caring for a child with pertussis is extremely stressful. Patient Safety and Precautions: * Infection Control: Strict Droplet Precautions for everyone entering the room: wear a surgical mask. Liam should wear a mask if he must leave the room (though this should be avoided). Precautions continue until 5 days after starting effective antibiotics. * Medication Caution: Administer antibiotics on time to reduce contagion. Be aware that cough suppressants are not recommended and can be harmful in infants. * Critical Monitoring: The greatest danger is apnea. Any apneic episode requires immediate stimulation and possible respiratory support. Be prepared for potential transfer to the PICU (Pediatric Intensive Care Unit). Nursing Procedure & Medication Flow
Procedure: Managing a Pertussis Paroxysm 1. Stay calm. Do not panic or make sudden movements. 2. Position the infant upright or on their side to facilitate breathing and drainage. 3. Do NOT feed or suction during the active cough. Wait until the spell ends. 4. After the spell, assess for apnea/cyanosis. Provide gentle suction if mucus is obstructing the airway. 5. Hold and comfort the infant in a calm, quiet manner. 6. Document the episode: duration, color changes, presence of whoop/vomit, and interventions.
Medication: Azithromycin * Action: Macrolide antibiotic; inhibits bacterial protein synthesis. * Nursing Role: Administer as prescribed (often once daily). Complete the full course. * Key Point: Educate family that this medication is primarily to make the patient non-contagious and protect contacts (post-exposure prophylaxis). It may not shorten Liam's severe symptoms. A Word from Your Senior Nurse "Nursing a baby with pertussis is heart-wrenching. You feel so helpless watching them struggle to breathe. Your most powerful tool in that moment isn't a medication; it's the environment you create. That quiet, peaceful bubble you build around them is a direct lifeline. On the NCLEX, they are testing this core nursing judgment: seeing past the 'standard' answers to identify the unique, pathophysiology-driven need of the patient. In pertussis, quiet isn't just nice—it's critical, life-preserving care. Carry that mindset forward: always ask, 'What is the unique threat for THIS condition, and what can I do to stop it first?'"

핵심 개념

  • Pertussis — Also known as whooping cough; a highly contagious bacterial respiratory infection characterized by severe paroxysmal coughing, an inspiratory "whoop," and post-tussive vomiting.
  • Paroxysmal Cough — Sudden, recurrent episodes of violent, uncontrollable coughing. In pertussis, these are the hallmark symptom and can lead to apnea and cyanosis, especially in infants.
  • Droplet Precautions — Infection control measures used for diseases spread by large respiratory droplets (e.g., pertussis, influenza). Includes wearing a mask upon room entry and placing the patient in a private room or cohort.
  • Apnea — The temporary cessation of breathing. A major and life-threatening complication of pertussis in infants, occurring during or after severe coughing paroxysms.
  • Post-tussive Vomiting — Vomiting that occurs immediately after a severe bout of coughing. Common in pertussis due to the force of the cough and gag reflex stimulation.

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