A patient came into the emergency department with severe chest pain. Vitals are taken which are: blood pressure 160/90 mm Hg, heart rate 100 bpm, respiration 28 bpm and SpO2 94 %. Which of the following vital parameter would be need for concern and taken as priority?

1. A

   Blood pressure

2. B

   Heart rate

3. C

   Respiration

4. D

   SpO2

Appeared in: NORCET 5 mains

Explanation

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• The respiratory rate of 28 breaths per minute is significantly above the normal adult range of 12-20 bpm, a condition called tachypnea.
• According to the Airway, Breathing, Circulation (ABC) framework for emergency assessment, an abnormal respiratory rate indicates a problem with 'Breathing' and is a top priority.
• Tachypnea is a strong predictor of adverse events and clinical deterioration, especially in patients presenting with chest pain, as it can signal a pulmonary embolism or myocardial infarction.
• Among the given vital signs, the respiratory rate shows the most critical deviation from normal, indicating severe physiological distress.

Why Other Options Were Wrong

• Option A: A blood pressure of 160/90 mm Hg is elevated (Stage 2 Hypertension) but is often a secondary response to severe pain and anxiety. It is not the most immediate life-threatening parameter in this scenario.
• Option B: A heart rate of 100 bpm is on the upper limit of the normal range (60-100 bpm). This borderline tachycardia is a common physiological response to pain and is less alarming than the significantly high respiratory rate.
• Option D: An SpO2 of 94% is only slightly below the normal threshold of 95%. While it warrants monitoring and potential oxygen supplementation, it does not represent severe hypoxemia (typically defined as SpO2 less than 90%).

Related Visual

Clinical Relevance

• Nursing practice connection: Prioritize focused assessment, early escalation, and real-time monitoring when managing Prioritization of vital signs in an emergency clinical scenario in acute care settings.
• In any emergency, nurses must use the ABC (Airway, Breathing, Circulation) framework to prioritize assessments and interventions. A respiratory rate of 28 bpm is a critical 'Breathing' problem.
• An elevated respiratory rate is a sensitive but often overlooked sign of clinical deterioration. Prompt recognition and intervention can prevent respiratory arrest.
• What if? If the patient's respiratory rate was 18 bpm (normal) but their SpO2 was 88%, the priority would immediately shift to the SpO2. An SpO2 of 88% indicates hypoxemia and a failure of gas exchange, requiring immediate oxygen therapy and further assessment.

How to Approach the Question

• First, analyze the clinical scenario: a patient with severe chest pain in the emergency department.
• Next, review the provided data, which are the four vital signs.
• Compare each vital sign to its established normal range for an adult: BP (less than 120/80), HR (60-100), RR (12-20), SpO2 (greater than 95%).
• Identify which vital sign deviates most significantly from its normal range. The respiratory rate (28) is markedly higher than the normal maximum of 20.
• Apply the ABC (Airway, Breathing, Circulation) prioritization principle. A high respiratory rate is a direct threat to 'Breathing' and is therefore a higher priority than a moderately high BP, a borderline HR, or a slightly low SpO2.
• Select the option that represents the most immediate threat to the patient's stability.

Concept Tested & Keywords

• Concept Tested: Prioritization of vital signs in an emergency clinical scenario.
• Stem keywords: severe chest pain, emergency department, vitals, blood pressure 160/90 mm Hg, heart rate 100 bpm, respiration 28 bpm, SpO2 94 %
• Lead-in keywords: priority, concern
• Clinical cues: The combination of severe chest pain and a respiratory rate of 28 bpm is highly suggestive of a life-threatening cardiopulmonary event.

Question ID

QUvZkKJVwamk7xPUTYDR5E

Copy ID

Reference Book

E6 Nursing Fundamentals Potter Perry 12e Part 3 p. 24-26