A nurse is preparing a client for a bronchoscopy procedure. … | 마이메르시 MyMerci
Adult Health
문제

A nurse is preparing a client for a bronchoscopy procedure. Which assessment finding would be most important for the nurse to report to the healthcare provider before the procedure?

A 58-year-old client is scheduled for a flexible bronchoscopy to evaluate a persistent cough and abnormal chest X-ray findings.
해설
A platelet count of 45,000/mm³ indicates severe thrombocytopenia and poses a significant bleeding risk during bronchoscopy, which is an invasive procedure that could cause bleeding complications.

심화 해설

Core Nursing Explanation Key Concept Analysis: This question tests the nurse's ability to identify a critical safety risk that would contraindicate or require special precautions for an invasive procedure. The core theme is Pre-Procedure Assessment and Risk Identification. Bronchoscopy involves inserting a scope into the airways, which can cause mucosal trauma and bleeding. Therefore, a patient's coagulation status is a paramount safety consideration. The nursing role is to assess for and report findings that indicate an increased risk for complications like hemorrhage.

Answer Rationale: The correct answer is Platelet count of 45,000/mm³. Key Point! A normal platelet count ranges from 150,000 to 400,000/mm³. A count of 45,000/mm³ indicates severe Thrombocytopenia (low platelet count). Platelets are essential for clotting. This level poses a high risk for significant bleeding during an invasive procedure like bronchoscopy. The nurse must report this finding immediately, as the procedure may need to be postponed, or special interventions (e.g., platelet transfusion) may be required.

Distractor Analysis:
Watch out for confusion! Blood pressure of 150/88 mmHg: While elevated (Stage 1 Hypertension), it is not an absolute contraindication for bronchoscopy. The procedure might proceed with monitoring. This finding is less critical than a life-threatening bleeding risk.
Temperature of 99.2°F (37.3°C): This is a mild elevation (low-grade fever) but is within a range that may not be clinically significant for postponing a diagnostic procedure, especially if the procedure itself is to investigate a potential cause of infection or abnormality.
Oxygen saturation of 94% on room air: This is slightly below the ideal of 95-100% but is often considered acceptable, especially in a patient with underlying lung issues. Supplemental oxygen can be provided during the procedure. It requires monitoring but is not the most urgent report compared to a critical lab value indicating hemorrhage risk.

Related Concepts: This integrates knowledge of Diagnostic Procedures, Hematologic System, and Nursing Prioritization (using frameworks like ABCs and Maslow's—bleeding risk is a physiological safety need). Always review coagulation studies (PT, INR, PTT, platelet count) and bleeding history before invasive procedures.
Concept Summary
ConceptKey Takeaway
BronchoscopyInvasive diagnostic procedure to visualize airways. Risk: Bleeding, perforation, hypoxia.
ThrombocytopeniaPlatelet count < 150,000/mm³. Severe: < 50,000/mm³ high bleeding risk.
Pre-Procedure Nursing RoleAssess for contraindications (bleeding risk, allergies, NPO status). Verify informed consent. Report abnormal findings.
Priority SettingImmediate threats to physiological safety (hemorrhage, airway) take precedence over stable abnormal findings.

Side-by-Side Comparison!
Pre-Procedure FindingUrgency for ReportingRationale
Platelet count 45,000/mm³HIGH - Requires immediate reportDirect, high risk for life-threatening procedure complication (hemorrhage).
BP 150/88 mmHgLow-ModerateChronic issue; can be managed. Not an immediate procedural contraindication.
O2 Sat 94% on RAModerateRequires monitoring and possible supplemental O2 during procedure, but not a stop signal.

Anatomy, Physiology & Pharmacology Points
  • Physiology: Platelets (thrombocytes) are cell fragments crucial for primary hemostasis—they form the initial platelet plug at a site of vascular injury.
  • Lab Values: Know critical thresholds: Normal Platelets: 150,000-400,000/mm³. Bleeding Risk: < 50,000/mm³. Spontaneous Bleeding Risk: < 20,000/mm³.
  • Procedure Context: Bronchoscopy passes through vascular nasal/oral mucosa and the tracheobronchial tree, which is highly vascular. Trauma can cause significant bleeding if clotting is impaired.

Memory Tips
  • Acronym: Before Bronchoscopy, Beware of Bleeding! Check Blood (Platelets, INR).
  • Association: Think of the scope as a potential "injury." For any injury, you need enough "band-aids" (platelets) to stop the bleeding.

High-Frequency NCLEX Topics The NCLEX loves to test priority setting and risk identification. Questions often present multiple abnormal findings and ask which is "most important," "priority," or "requires immediate intervention." Linking lab values to specific procedure risks is a classic pattern. Always ask yourself: "Which finding poses the greatest threat to patient safety right now in this specific context?"
Watch Out for Question Variations!
  • Instead of asking for the finding to report, it could ask: "The nurse should anticipate administering which of the following before the procedure?" (Answer: Platelet transfusion).
  • The scenario could change the procedure: "Preparing for a liver biopsy" – the same principle applies (check platelets, PT/INR).
  • It could be a "select all that apply" question listing multiple potential contraindications (e.g., low platelets, elevated INR, uncorrected hypoxia).

임상 시나리오

Nursing Clinical Practice Guide Clinical Scenario: You are the pre-procedure nurse in an endoscopy suite. Mr. Jones, 58, is on your schedule for a bronchoscopy. You review his chart and see the lab results from this morning: Platelets 45,000/mm³. He has a history of idiopathic thrombocytopenic purpura (ITP). He is currently asymptomatic and his vital signs are stable.

Nursing Intervention Strategy:
  1. Assessment: Immediately re-check the order and the lab value. Assess the patient for any signs of active bleeding (petechiae, bruising, gum bleeding). Verify his understanding of the procedure and consent.
  2. Action: Do not proceed with routine pre-op medications or transport. Using the SBAR (Situation-Background-Assessment-Recommendation) format, call the healthcare provider (HCP) who ordered the procedure and the proceduralist (e.g., pulmonologist).
    • Situation: "I'm calling about Mr. Jones, scheduled for bronchoscopy at 10 AM. His platelet count is critically low at 45,000."
    • Background: "He has a history of ITP and is here for evaluation of a persistent cough."
    • Assessment: "I see no active bleeding, but he is at high risk for procedural hemorrhage."
    • Recommendation: "I recommend we discuss postponing the procedure or arranging for a platelet transfusion prior to proceeding. Do you have new orders?"
  3. Patient Care & Education: Explain the delay to the patient and family in a calm, factual manner: "We need to ensure your safety, and your blood test shows we need to take extra precautions against bleeding before the scope." Provide emotional support.
  4. Evaluation: The outcome is a collaborative decision—either the procedure is postponed until platelets are corrected, or it proceeds with a transfusion and heightened post-procedure monitoring for bleeding.

Patient Safety and Precautions:
  • Absolute Priority: Never ignore critically abnormal coagulation labs before an invasive procedure. The risk of uncontrolled bleeding is a sentinel event.
  • Post-Procedure: If the procedure does proceed after correction, monitoring is intensified. Assess for hemoptysis (coughing up blood), increased respiratory rate, dropping hemoglobin, and signs of hypovolemia.

Nursing Procedure & Medication Flow If a Platelet Transfusion is Ordered:
  • Verify the order and obtain informed consent for the transfusion.
  • Use a standard blood transfusion set with a filter. Platelets are administered rapidly, usually over 15-30 minutes per unit, as they are viable for a short time.
  • Monitor closely for transfusion reactions (fever, chills, urticaria, anaphylaxis) during the first 15 minutes.
  • Re-check a platelet count 1 hour post-transfusion to assess response.
  • Proceed with bronchoscopy only after confirmation of an adequate platelet count (typically >50,000/mm³ for a low-risk procedure, may need higher for higher-risk interventions).

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 this scenario, you are the last safety checkpoint before the patient goes for an invasive test. Catching that critically low platelet count isn't just about passing a test; it's about preventing a potentially catastrophic bleed. In clinical practice and on the NCLEX, always think: 'What is the worst thing that could happen to this patient during this procedure?' Your knowledge of pathophysiology and lab values is your most powerful tool to answer that question and keep your patients safe. That mindset will not only earn you a great score on the NCLEX but will make you a truly confident, professional nurse!"

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