A 58-year-old patient presents to the emergency department w… | 마이메르시 MyMerci
Adult Health
문제

A 58-year-old patient presents to the emergency department with a blood pressure of 220/120 mmHg and severe headache. The patient reports chest pain and shortness of breath. Which nursing action should be the highest priority?

해설
In hypertensive crisis with target organ damage, immediate but controlled blood pressure reduction is the priority to prevent complications. Other options are less urgent or potentially harmful in this acute setting.

심화 해설

Core Nursing Explanation This question assesses the nurse's ability to prioritize care for a patient experiencing a Hypertensive Emergency. The key is recognizing the presence of Target Organ Damage (TOD) and the immediate need for controlled blood pressure reduction to prevent irreversible injury or death. Key Concept Analysis A hypertensive emergency is defined as a severe elevation in blood pressure (often >180/120 mmHg) with evidence of new or worsening target organ dysfunction. The patient's symptoms—severe headache (suggesting cerebral edema or encephalopathy), chest pain (suggesting cardiac ischemia), and shortness of breath (suggesting pulmonary edema or heart failure)—are classic signs of TOD. This is not just severe hypertension; it is an acute, life-threatening condition. The priority nursing action is to Key Point! administer prescribed antihypertensive medication immediately to begin a controlled, gradual reduction in blood pressure, typically in an intensive care setting with continuous monitoring. Answer Rationale Key Point! In a hypertensive emergency, time is tissue. Delaying medication administration to perform non-urgent assessments or interventions increases the risk of stroke, myocardial infarction, aortic dissection, or renal failure. The nurse's role is to execute the prescribed emergency protocol swiftly and safely while simultaneously preparing for and performing other critical assessments. Distractor Analysis Watch out for confusion! Option ②, placing the patient in Trendelenburg position, is contraindicated. This position can increase intracranial pressure (ICP), which is already a concern given the severe headache, potentially worsening cerebral edema and leading to herniation.
Option ③, encouraging relaxation techniques, is an appropriate intervention for Hypertensive Urgency (severe HTN without TOD) but is grossly inadequate and a dangerous delay in a true emergency with active symptoms of organ damage.
Option ④, obtaining a complete medication history, is a standard and important part of assessment. However, in this life-threatening scenario, it is a secondary priority. The nurse can gather critical history (e.g., current antihypertensives, allergies) concurrently while initiating emergency treatment or delegate this task if possible. Treatment should not be withheld. Related Concepts Understanding the difference between Hypertensive Urgency and Emergency is fundamental. Urgency requires BP reduction over 24-48 hours, often with oral medications. Emergency requires reduction within minutes to hours using IV medications (e.g., nitroprusside, labetalol, nicardipine). The nurse must also monitor for complications of too-rapid BP reduction, such as hypoperfusion of the brain, heart, or kidneys. Concept SummaryHypertensive Emergency: BP >180/120 mmHg + New/Worsening Target Organ Damage (brain, heart, kidneys, eyes, aorta). Requires immediate, controlled IV therapy. • Target Organ Damage Signs: Neurological (headache, vision changes, confusion), Cardiac (chest pain, dyspnea), Renal (oliguria). • Nursing Priority: Administer prescribed IV antihypertensives immediately while initiating continuous monitoring (BP, cardiac, neurological). • Goal of Therapy: Reduce mean arterial pressure (MAP) by no more than 20-25% in the first hour to avoid precipitating ischemia.
Side-by-Side Comparison!
FeatureHypertensive UrgencyHypertensive Emergency
Blood PressureSeverely elevated (e.g., >180/110)Severely elevated (e.g., >180/120)
Target Organ DamageAbsentPresent (e.g., encephalopathy, pulmonary edema)
Clinical SettingOutpatient or observation unitEmergency Department / Intensive Care Unit (ICU)
Treatment GoalGradual reduction over 24-48 hoursControlled reduction within minutes to hours
Medication RouteOralIntravenous (IV)
Nursing PriorityAssessment, education, oral medication administrationImmediate IV medication administration and intensive monitoring

Anatomy, Physiology & Pharmacology PointsPathophysiology: Extremely high pressure damages vascular endothelium, leading to fibrinoid necrosis, loss of autoregulation (especially in cerebral circulation), and organ ischemia/edema. • Pharmacology: IV drugs like Sodium nitroprusside act directly on vascular smooth muscle. It requires light protection and has a risk of cyanide toxicity with prolonged use. Labetalol is an alpha/beta blocker. Nicardipine is a calcium channel blocker. • Monitoring: Use an arterial line or frequent automated BP checks (every 2-5 minutes initially). Monitor urine output for renal perfusion.
Memory TipsAcronym: CRISIS = Chest pain, Renal failure signs, Intracranial pressure (headache), SOB, Ischemia (cardiac), Seen in eyes (retinopathy). If any are present, it's an Emergency! • Think: "Emergency = Organ Damage = IV Meds NOW."
High-Frequency NCLEX Topics The NCLEX loves testing priority-setting in acute scenarios. Hypertensive emergency is a classic example where the correct answer involves immediate action to prevent harm (administering a life-saving drug) over comprehensive assessment or comfort measures. Always look for keywords indicating TOD to identify an emergency.
Watch Out for Question Variations! • Instead of "priority action," the question may ask for the "expected medical management" (Answer: Administration of IV antihypertensive agents). • It may present a patient with severe HTN but no symptoms of TOD, testing if you know it's an "urgency" where the priority shifts to assessment and oral medication. • It could ask for the "most important assessment" after administering the medication (Answer: Frequent neurological and blood pressure monitoring).

임상 시나리오

Nursing Clinical Practice Guide Clinical Scenario You are the nurse in a busy ED. Mr. Johnson, 58, is brought in by family. He is agitated, clutching his head, complaining of a "bursting" headache and chest tightness. His initial BP is 228/124 mmHg, HR 112, RR 28, SpO2 92% on room air. The physician diagnoses a hypertensive emergency and orders a labetalol IV bolus. Nursing Intervention Strategy 1. Immediate Action (Priority): Acknowledge the order, prepare, and administer the IV labetalol immediately via a large-bore IV line. Do not leave the patient. 2. Simultaneous Assessment & Safety: While the medication is being drawn up, quickly ask the patient or family: "Are you allergic to any medications?" and "Do you have a history of asthma or heart failure?" (Contraindications for beta-blockers). Place the patient in a semi-Fowler's position to facilitate breathing and reduce preload. Apply oxygen via nasal cannula as ordered. 3. Monitoring: After administration, initiate continuous cardiac monitoring and pulse oximetry. Set the automatic BP cuff to cycle every 5 minutes. Perform a focused neurological assessment (GCS, pupil check, motor strength). 4. Ongoing Care & Evaluation: Monitor for therapeutic effect (gradual BP decrease) and for side effects (bradycardia, bronchospasm, hypotension). Assess for improvement in headache and chest pain. Prepare for transfer to ICU. Patient Safety and PrecautionsNever lower the BP too rapidly. A sudden drop can cause stroke, MI, or blindness from hypoperfusion. • Contraindication Alert: Beta-blockers like labetalol are relatively contraindicated in acute heart failure with reduced ejection fraction and in patients with asthma/COPD due to risk of bronchoconstriction. • Ensure IV access is secure. Extravasation of some potent vasodilators can cause tissue necrosis.
Nursing Procedure & Medication Flow Administering IV Antihypertensives in Hypertensive Emergency 1. Verify: Verify the order, patient, and drug. Check for allergies. 2. Prepare: Draw up the exact dose. For a labetalol bolus, typically 20 mg over 2 minutes. 3. Administer: Administer slowly IV push over the specified time (e.g., 2 minutes) while continuously monitoring the patient's BP and ECG. 4. Monitor: The BP must be checked manually or via monitor at least every 2-5 minutes during and after administration. 5. Document: Document pre-and post-administration vital signs, patient response, and any side effects.
A Word from Your Senior Nurse "In the chaos of an emergency, your training kicks in. Remember your ABCs (Airway, Breathing, Circulation). This patient's Circulation is critically compromised by the extreme pressure damaging his organs. Your swift action to administer that medication isn't just following an order—it's directly stopping the ongoing injury to his brain and heart. In clinical practice and on the NCLEX, when you see severe numbers PLUS symptoms (headache, chest pain, SOB), think 'EMERGENCY' and 'ACT NOW.' The ability to distinguish between what's urgent and what can wait is what defines a safe, competent nurse. You've got this!"

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