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

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

Explanation

Shifting a patient with CO poisoning to a cold environment is incorrect and harmful.
Cold exposure can lead to hypothermia, which causes shivering and increases the body's metabolic rate and oxygen demand.
This increased oxygen demand is dangerous for a patient already experiencing cellular hypoxia due to carbon monoxide's high affinity for hemoglobin.
Emergency protocols emphasize preventing chilling and keeping the patient warm to minimize metabolic stress.

Option A: This is the most critical and definitive treatment for CO poisoning. Administering 100% oxygen significantly accelerates the dissociation of carboxyhemoglobin, increasing oxygen delivery to tissues.
Option C: This is a standard supportive care measure. Loosening tight clothing helps improve circulation and makes breathing easier for the patient.
Option D: This is the immediate first step in managing CO poisoning. Removing the patient from the toxic environment is essential to prevent further inhalation and worsening of the poisoning.

Clinical Relevance

Nursing practice connection: Prioritize focused assessment, early escalation, and real-time monitoring when managing Management of Carbon Monoxide Poisoning in acute care settings.
The nurse's immediate priorities for a patient with suspected CO poisoning are to ensure they are in a safe environment with fresh air and to administer high-flow 100% oxygen.
Preventing hypothermia is a critical nursing intervention. Patients with CO poisoning may have altered thermoregulation and are at risk for a drop in body temperature. Nurses should use blankets to keep the patient warm.
In the Indian context, CO poisoning can occur from indoor use of charcoal braziers ('angithi') for heating during winter. Public health education on proper ventilation is crucial.

How to Approach the Question

First, identify the keyword 'EXCEPT'. This signals that three of the options are correct interventions, and your task is to find the one incorrect or contraindicated action.
Recall the standard emergency management for inhaled poisons like carbon monoxide. The primary goals are to stop exposure and support oxygenation.
Evaluate each option: 'Take the patient in fresh air' (stops exposure), 'Administer 100% oxygen' (reverses hypoxia), 'Loose the clothes' (supportive care). These are all correct actions.
Analyze the remaining option: 'Shift the patient in cold environment'. Consider the physiological effect. Cold causes shivering, which increases oxygen consumption. This would be harmful to a patient who is already oxygen-deprived.
Conclude that moving the patient to a cold environment is the incorrect action and therefore the right answer to this 'EXCEPT' question.

Concept Tested & Keywords

Concept Tested: Management of Carbon Monoxide Poisoning
Stem keywords: carbon monoxide poisoning, interventions
Lead-in keywords: EXCEPT
Negative lead-in flag: The question asks for the intervention that should NOT be done.

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E6 Nursing Brunner Adult Health 3SA Vol 2 Part 3 p. 130-132

E6 Nelson Textbook of Pediatrics(2024) — Volume 1 p. 768-770

Practise the full NORCET 5 Prelims - Sept 2023 (Shift-1)

Attempt every question from this paper in a timed mock, then review the full solution for each one.