A patient with carbon monoxide poisoning, all interventions should be done, EXCEPT?

NORCET 5 Prelims - Sept 2023 (Shift-1)

Medical Surgical Nursing

Hard

Appeared in: NORCET 5 Prelims - Sept 2023 (Shift-1)

Explanation

Shifting a patient with carbon monoxide poisoning to a cold environment is contraindicated.
Exposure to cold can induce hypothermia, which leads to shivering.
Shivering increases the body's metabolic rate and oxygen consumption, worsening the cellular hypoxia already present from CO binding to hemoglobin.
The correct nursing intervention is to prevent chilling and keep the patient warm by wrapping them in blankets.

Option A: This is a critical and primary intervention. Administering 100% oxygen significantly reduces the half-life of carboxyhemoglobin, accelerating the removal of carbon monoxide from the blood.
Option C: This is a correct supportive measure. Loosening tight clothing helps to ensure unrestricted breathing and circulation, which is important for any patient in respiratory distress.
Option D: This is the immediate and most crucial first step. Removing the patient from the toxic environment stops further exposure to carbon monoxide.

Visual 1: Flowchart - Step-by-step emergency management of a patient with carbon monoxide poisoning, starting with removal from the source, followed by oxygen administration and supportive care.
Visual 2: Infographic - An illustration showing how carbon monoxide (CO) molecules bind to hemoglobin with an affinity 200 times greater than oxygen (O2), preventing O2 transport and leading to tissue hypoxia.

Clinical Relevance

Nursing practice connection: Prioritize focused assessment, early escalation, and real-time monitoring when managing Emergency management of carbon monoxide poisoning in acute care settings.
Immediate recognition and removal from the source are critical first steps in CO poisoning to prevent further harm and irreversible organ damage.
Administering 100% high-flow oxygen is a life-saving intervention that a nurse must initiate promptly to significantly speed up the elimination of CO from the body.
A key patient safety point is that pulse oximetry is unreliable in CO poisoning; it may show a falsely high saturation because it cannot differentiate between hemoglobin saturated with oxygen and hemoglobin saturated with carbon monoxide.

How to Approach the Question

This is a negative question using the keyword 'EXCEPT'. The goal is to identify the action that is NOT a correct intervention for the given condition.
First, recall the pathophysiology of carbon monoxide (CO) poisoning: CO binds tightly to hemoglobin, preventing oxygen transport and causing systemic hypoxia.
Evaluate each option to determine if it is a standard, recommended intervention for CO poisoning.
Option A (100% O2) is the primary treatment to displace CO.
Option D (fresh air) is the essential first step to stop exposure.
Option C (loosen clothes) is a general supportive care measure.

Concept Tested & Keywords

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