🚀

오늘의 열정을 계속 이어가세요!

체험은 만족하셨나요? 지식 자료를 소장하고 멋진 의료인으로 성장하세요!

Foreign body aspiration | 마이메르시 MyMerci
제안하기

Foreign body aspiration

NCLEX Review Guide: Foreign Body Aspiration in Children

Pathophysiology & Clinical Manifestations

Understanding Foreign Body Aspiration

  • Foreign body aspiration occurs when an object is inhaled into the respiratory tract, potentially causing partial or complete airway obstruction. Children under 3 years are at highest risk due to oral exploration, inadequate dentition, and immature swallowing coordination.
  • The right main bronchus is more commonly affected due to its wider diameter and more vertical orientation compared to the left bronchus, creating a direct pathway for aspirated objects.

Key Points

  • Children between 6 months and 3 years have the highest incidence of foreign body aspiration.
  • Common aspirated items include food (nuts, seeds, popcorn), small toys, coins, and button batteries.

Signs and Symptoms

  • The classic triad of symptoms includes sudden onset coughing, wheezing, and decreased breath sounds, though all three may not be present in every case.
  • Symptoms vary based on the location of obstruction: supraglottic (above vocal cords) objects cause stridor, drooling, and respiratory distress; bronchial objects cause unilateral wheezing, persistent cough, and decreased breath sounds.

Key Points

  • Complete airway obstruction presents with inability to speak or breathe, universal choking sign (hands at throat), and cyanosis.
  • Partial obstruction may present with wheezing, persistent cough, asymmetric breath sounds, and intermittent respiratory distress.

Assessment & Diagnosis

History and Physical Examination

  • A thorough history should focus on the witnessed choking event, type of suspected object, onset and progression of symptoms, and any changes in respiratory status.
  • Physical assessment includes vital signs (tachypnea, tachycardia), respiratory effort (retractions, nasal flaring), auscultation for asymmetric breath sounds, and assessment for cyanosis or decreased oxygen saturation.

Key Points

  • Always suspect foreign body aspiration in a previously healthy child with sudden onset of respiratory symptoms, even without a witnessed choking event.
  • The absence of abnormal physical findings does not rule out foreign body aspiration.

Diagnostic Procedures

  • Chest radiography (inspiratory and expiratory views) may show radiopaque objects, air trapping, atelectasis, or mediastinal shift, though normal findings do not exclude foreign body aspiration.
  • Bronchoscopy is both diagnostic and therapeutic, allowing for direct visualization and removal of the foreign body.

Key Points

  • Lateral neck radiographs are useful for suspected upper airway foreign bodies.
  • Fluoroscopy may demonstrate mediastinal shift or air trapping on expiration.

Nursing Management & Interventions

Emergency Management

  • For a conscious child with complete airway obstruction, perform age-appropriate choking rescue maneuvers according to current BLS guidelines (back blows and chest thrusts for infants; abdominal thrusts for children).
  • For a child with partial obstruction who can cough effectively, maintain position of comfort, administer oxygen, and monitor closely without interfering with their spontaneous coughing.
Never perform blind finger sweeps in the mouth of a child with suspected foreign body aspiration as this may push the object further into the airway.

    Choking Management in an Infant (< 1 year)

  1. Position the infant face down on your forearm with head lower than trunk and supported by your hand.
  2. Deliver 5 back blows between the shoulder blades using the heel of your hand.
  3. Turn infant face up while supporting the head and neck.
  4. Provide 5 chest thrusts in the same location as CPR compressions.
  5. Repeat sequence until object is expelled or infant becomes unresponsive.

Key Points

  • A conscious child with partial obstruction who can cough effectively should be encouraged to continue coughing.
  • If the child becomes unconscious, begin CPR starting with chest compressions (do not check for a pulse first).

Post-Extraction Care

  • After foreign body removal, monitor for respiratory complications including laryngeal edema, bronchospasm, pneumonia, or atelectasis.
  • Provide supplemental oxygen as needed, maintain adequate hydration, and administer prescribed medications (bronchodilators, corticosteroids, antibiotics) as ordered.

Key Points

  • Monitor vital signs, oxygen saturation, work of breathing, and breath sounds frequently after foreign body removal.
  • Educate parents on signs of respiratory distress that warrant immediate medical attention.

Prevention & Patient Education

Preventive Strategies

  • Educate parents about age-appropriate toys and foods, emphasizing the importance of avoiding high-risk items (nuts, seeds, hard candies, hot dogs, grapes, popcorn, small toys) for children under 3 years.
  • Teach proper supervision during meals and playtime, including having children sit while eating, cutting food into small pieces, and checking toys for small detachable parts.

Key Points

  • Recommend parents learn infant and child CPR and choking management.
  • Encourage parents to regularly check the floor and accessible areas for small objects that could be aspirated.

Commonly Confused Points

Foreign Body Aspiration vs. Other Respiratory Conditions

Feature Foreign Body Aspiration Croup Asthma
Onset Sudden, often while eating or playing Gradual, often preceded by URI symptoms Gradual or sudden, may have triggers
Key Sound Unilateral wheezing or decreased breath sounds Inspiratory stridor, barking cough Bilateral wheezing, expiratory prolongation
Fever Usually absent initially Low-grade fever common Usually absent
Response to Bronchodilators Minimal or none Minimal Significant improvement
Position Preference Variable Upright, neck extended Upright, tripod position

Memory Aid: "CHOKING" Assessment

  • Cough (sudden onset)
  • History of witnessed event
  • Oxygen saturation (may be decreased)
  • Keen attention to unilateral findings
  • Inspiratory and expiratory sounds (wheezing, stridor)
  • No improvement with standard respiratory treatments
  • Gap in symptoms (may have asymptomatic period after initial event)

Clinical Scenario

A 2-year-old boy is brought to the emergency department after his mother noticed he was playing with peanuts and suddenly began coughing and choking. The initial coughing episode has subsided, but the child now has intermittent coughing and seems to be breathing faster than normal. On examination, you note decreased breath sounds on the right side and occasional wheezing. Vital signs show respiratory rate 32, heart rate 110, and oxygen saturation 94% on room air.

Analysis:

This presentation is classic for foreign body aspiration with the witnessed exposure to a high-risk food (peanuts), followed by sudden onset of respiratory symptoms. The decreased breath sounds on the right side are consistent with bronchial obstruction, likely in the right main bronchus. The child is in the highest risk age group, and the intermittent symptoms with unilateral findings strongly suggest foreign body aspiration rather than asthma or infection.

Appropriate Nursing Actions:

  1. Maintain calm environment and position of comfort
  2. Administer oxygen to maintain saturation >95%
  3. Monitor respiratory status closely
  4. Prepare for possible bronchoscopy
  5. Keep child NPO in preparation for potential procedure
  6. Provide emotional support to parents

Study Tips

  • Focus on the classic triad of sudden cough, wheezing, and decreased breath sounds, but remember all three may not be present.
  • Understand the difference between complete and partial airway obstruction management.
  • Know the age-specific choking hazards and appropriate interventions for different age groups.

Quick Check

Which of the following is NOT a typical finding in foreign body aspiration?

  1. Unilateral decreased breath sounds
  2. High-grade fever
  3. Sudden onset of symptoms
  4. History of playing with small objects

Answer: B. High-grade fever is not typically associated with acute foreign body aspiration. Fever may develop later if complications such as pneumonia occur.

Common Pitfalls

  • Failing to suspect foreign body aspiration in a child with sudden respiratory symptoms, even without a witnessed choking event
  • Relying solely on normal radiographic findings to rule out foreign body aspiration
  • Performing blind finger sweeps in a choking child
  • Attempting to extract a foreign body in a child who is effectively coughing

Self-Assessment Checklist

  • I can identify the high-risk age group and common objects involved in foreign body aspiration
  • I understand the classic triad of symptoms and variations based on obstruction location
  • I can differentiate between complete and partial airway obstruction management
  • I know the proper sequence for infant and child choking rescue maneuvers
  • I can describe appropriate post-extraction monitoring and care
  • I can provide appropriate prevention education to families

Remember, foreign body aspiration is a common pediatric emergency where your quick assessment and appropriate intervention can be life-saving. Master these concepts not just for the NCLEX, but for your clinical practice where you'll make a critical difference in pediatric patient outcomes.

다음 이론을 계속 학습하려면 로그인하세요.

로그인하고 계속 학습
컨텐츠를 그만볼래?

필기노트, 하이라이터, 메모는 잘 쓰고 있어?

내보내줘
어떤 폴더에 저장할래?

컨텐츠 노트에는 총 0개의 폴더가 있어!

폴더 만들기
컨텐츠 만들기
만들기
신고했어요.

운영진이 검토할게요!

해당 유저를 차단했어요.

마이페이지에서 차단한 회원을 관리할 수 있어요.