A nurse is caring for a 65-year-old client with COPD exacerbation and a history of asthma who has been receiving continuous nebulizer treatments for the past 2 hours and is not responding adequately to initial bronchodilator therapy. The client's peak expiratory flow rate (PEFR) remains at 35% of personal best, oxygen saturation is 90% on 4L nasal cannula, and the client appears increasingly anxious and fatigued. What is the nurse's priority intervention?
The nurse must determine the most appropriate immediate intervention for a client with severe asthma exacerbation who is not responding adequately to initial bronchodilator therapy.
1Prepare for possible intubation and mechanical ventilation✓ 정답
2Increase the oxygen flow rate to 6L via nasal cannula
3Administer an additional albuterol nebulizer treatment
4Administer intravenous corticosteroids as prescribed
해설
With PEFR 40%, SpO2 88% on oxygen, and fatigue/anxiety despite bronchodilators, the client shows signs of impending respiratory failure, making preparation for intubation the priority. Other options are insufficient (increasing oxygen or albuterol) or harmful (Trendelenburg position).
Core Nursing ExplanationKey Concept Analysis: This question assesses the nurse's ability to recognize impending respiratory failure in a patient with a severe obstructive lung disease exacerbation (COPD/Asthma). The core pathophysiology is that despite aggressive bronchodilator therapy, the patient's airway obstruction is not improving, leading to increased work of breathing, hypoxemia, and respiratory muscle fatigue. The clinical markers—persistent low Peak Expiratory Flow Rate (PEFR) (35% of personal best), marginal oxygen saturation (90% on oxygen), and the presence of anxiety and fatigue—are classic signs of a patient who is tiring and may soon be unable to maintain their own airway and ventilation.
Answer Rationale: Key Point! In acute respiratory failure, the nurse's ultimate priority is to ensure a patent airway and adequate ventilation. When a patient shows signs of fatigue and deteriorating status despite maximal medical therapy, preparation for advanced airway management (intubation) and mechanical ventilation becomes the immediate, life-saving priority. This intervention is proactive; preparing the equipment and team allows for rapid intervention if the patient's condition declines further, preventing a crisis.
Distractor Analysis:
Option ② (Increase oxygen): While hypoxemia is a concern, simply increasing oxygen flow may not address the underlying problem of Watch out for confusion!ventilatory failure (inability to remove CO2). In some COPD patients, excessive oxygen can suppress the hypoxic drive to breathe, potentially worsening hypercapnia. The priority is securing ventilation, not just oxygenation.
Option ③ (Additional albuterol): The scenario states the patient has had "continuous nebulizer treatments for the past 2 hours" and is "not responding adequately." Continuing the same therapy that is failing is not the priority when the patient is showing signs of fatigue and impending failure.
Option ④ (Administer IV corticosteroids): Systemic corticosteroids are a crucial part of managing asthma/COPD exacerbations to reduce inflammation. However, their onset of action is hours, not minutes. This is an important intervention but is not the immediate priority for a patient in impending respiratory failure.
Related Concepts: This scenario integrates assessment (PEFR, SpO2, clinical signs), pathophysiology of obstructive lung diseases, pharmacology of bronchodilators and steroids, and the nursing role in recognizing and responding to medical emergencies. The decision is guided by the ABC (Airway, Breathing, Circulation) priority framework and understanding the limits of medical management.
Concept Summary
Concept
Description
Clinical Significance
Peak Expiratory Flow Rate (PEFR)
Measures maximum speed of expiration. Personal best is the patient's known optimal value.
<50% of personal best indicates severe exacerbation. <30% indicates life-threatening.
Impending Respiratory Failure
Clinical state where the patient's respiratory effort is insufficient to maintain adequate gas exchange.
Key signs: Fatigue, anxiety, altered mental status, accessory muscle use, paradoxical breathing, inability to speak in full sentences.
Status Asthmaticus / Severe COPD Exacerbation
A severe, life-threatening asthma/COPD attack unresponsive to standard bronchodilator therapy.
Medical emergency requiring aggressive management, often culminating in intubation and mechanical ventilation.
Side-by-Side Comparison!
Assessment
Indicates Improvement / Stability
Indicates Deterioration / Failure
PEFR
Increasing toward personal best.
Persistently <40% or falling.
Oxygen Saturation (SpO2)
Stable or improving on current O2.
Falling despite supplemental O2.
Mental Status & Fatigue
Alert, cooperative, less anxious.
Increasing anxiety, agitation, lethargy, or fatigue.
Breathing Pattern
Less use of accessory muscles.
Paradoxical breathing (abdomen moves in on inspiration), silent chest (no wheeze due to no air movement).
Anatomy, Physiology & Pharmacology Points
Physiology: In severe obstruction, the work of breathing increases dramatically. Respiratory muscles fatigue, leading to hypoventilation, rising PaCO2 (hypercapnia), and respiratory acidosis.
Pharmacology: Short-acting beta-agonists (SABAs) like albuterol work within minutes but have a ceiling effect. Systemic corticosteroids (e.g., methylprednisolone) reduce airway inflammation but have a delayed onset (4-6 hours).
Memory Tips
Think "ABCs": When the B (Breathing) is failing despite drugs, the next step is to secure the A (Airway) with an advanced airway.
Acronym "FAILS" for Intubation Criteria: Fatigue, Altered mental status, Inability to protect airway, Labored breathing, SpO2 dropping.
PEFR Zones: Green (>80%), Yellow (50-80%), Red (<50%). This patient is in the Red Zone = Medical Alert!
High-Frequency NCLEX Topics
The NCLEX-RN frequently tests prioritization in respiratory emergencies. You must differentiate between a patient who is stable but ill (where you might administer another treatment) and a patient who is unstable and failing (where you prepare for the worst-case intervention). Recognizing subtle signs of fatigue is a high-level skill often tested.
Watch Out for Question Variations!
Shift from "Intervention" to "Assessment": A question might ask: "The nurse assesses the client and notes increasing fatigue and a silent chest. What finding is most concerning?" Answer: The silent chest (indicating no air movement).
Shift to Medication Priority: If the patient was just starting treatment, the priority might be "Administer a SABA nebulizer." This question adds the critical twist of "not responding after 2 hours."
Shift to Patient Education: A follow-up question might be: "After recovery, what should the nurse include in discharge teaching?" Answer: Importance of early intervention at the first sign of an exacerbation and proper PEFR monitoring.
Nursing Clinical Practice GuideClinical Scenario: You are the nurse on a medical-surgical unit. Mr. Johnson, 65, with COPD and asthma, was admitted for shortness of breath. He has received back-to-back albuterol-ipratropium nebulizers. He is now sitting upright, leaning forward on the bedside table (tripod position), using his neck and shoulder muscles to breathe. His speech is broken into 2-3 word phrases. He tells you, "I'm just so tired."
Nursing Intervention Strategy:
Immediate Assessment & Communication: Stay with the patient. Perform a rapid focused assessment: vital signs, lung sounds (listen for diminished breath sounds or a "silent chest"), work of breathing, and mental status. Call the Rapid Response Team or provider immediately. Report using SBAR: Situation (patient with COPD/asthma exacerbation failing therapy), Background (continuous nebs x2 hours), Assessment (PEFR 35%, SpO2 90% on 4L NC, fatigued, anxious), Recommendation (request provider to bedside for possible intubation).
Prepare for Intubation: While awaiting the team, ensure the "crash cart" or emergency airway cart is in the room. Check that suction is set up and functioning. Gather necessary equipment per protocol (appropriate size endotracheal tubes, laryngoscope, bag-valve-mask).
Supportive Care While Awaiting Team: Continue oxygen as ordered. Stay with the patient to provide reassurance and continuously monitor. Do not leave the patient alone. Assist the patient into a position of comfort (usually high Fowler's).
Post-Intubation Care: Once intubated, your role includes securing the endotracheal tube (ETT), confirming placement (auscultation, end-tidal CO2 monitoring), connecting to the ventilator, and administering sedatives/analgesics as ordered. Frequent oral care and ETT care are essential to prevent ventilator-associated pneumonia (VAP).
Patient Safety and Precautions:
Never sedate a patient in respiratory distress without the ability to control their airway (i.e., before intubation).
Monitor closely for pneumothorax, especially in patients with obstructive lung disease receiving positive pressure ventilation.
In COPD patients, target oxygen saturation is often 88-92% to avoid oxygen-induced hypercapnia.
Nursing Procedure & Medication Flow
Intervention
Key Nursing Actions
Rationale & Precautions
Preparing for Intubation
Check emergency cart; ensure suction is on and Yankauer is attached; have bag-valve-mask ready; draw up emergency drugs (e.g., etomidate, succinylcholine) if ordered.
Ensures a swift, organized response. The nurse is often responsible for preparing and handing equipment to the intubating provider.
Administering IV Corticosteroids
Verify order; administer via IV push or infusion as prescribed (e.g., methylprednisolone 125mg IV). Monitor for hyperglycemia, agitation.
Critical for reducing airway inflammation, but not an immediate rescue therapy. Onset is hours.
Continuous Nebulizer Therapy
Monitor for tachycardia, tremors, hypokalemia. Assess lung sounds and work of breathing before and after each treatment.
Signs of beta-agonist toxicity. Lack of improvement indicates treatment failure and need to escalate care.
A Word from Your Senior Nurse
"Nursing is not just about carrying out physician orders — it's about being the frontline guardian for your patients! In clinical practice, recognizing subtle changes in a patient's vital signs early can prevent deterioration. A patient saying 'I'm tired' during a severe asthma attack is one of the most ominous signs you can hear. It means their respiratory muscles are giving out. When studying for your boards, don't just memorize — connect everything to a real patient situation and always ask 'why?' That mindset will not only earn you a great score on the NCLEX but will make you a truly confident, professional nurse! In this case, asking 'why is preparing for intubation the priority?' leads you to the core nursing principle: anticipate, don't wait."
Status Asthmaticus — A severe, life-threatening asthma attack that is unresponsive to standard doses of inhaled beta-agonists. It is a medical emergency that can lead to respiratory failure and arrest.
Peak Expiratory Flow Rate — A simple, quick measurement of the maximum speed of expiration, used to monitor and assess the severity of asthma and other obstructive lung diseases. It is compared to the patient's personal best.
Impending Respiratory Failure — A clinical state where a patient shows signs of deteriorating respiratory function and is at high risk of being unable to maintain adequate gas exchange (oxygenation and/or ventilation) without mechanical support.
Hypoxic Drive — A backup mechanism to stimulate breathing in patients with chronic hypercapnia (e.g., severe COPD), where the primary stimulus to breathe is low oxygen (hypoxemia) rather than high carbon dioxide.
Rapid Sequence Intubation — A medical procedure involving the administration of a sedative and a neuromuscular blocking agent to quickly induce unconsciousness and paralysis to facilitate endotracheal intubation, minimizing the risk of aspiration.