A patient with organophosphorus poisoning is brought to the emergency department. Which of the following actions is not appropriate in the initial management?

1. A

   Prepare for intubation

2. B

   Suction the patient’s airway

3. C

   Remove patient’s clothes and decontaminate

4. D

   Start adrenaline infusion

Appeared in: NORCET 9 Mains - 2025

Explanation

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• Starting an adrenaline infusion is inappropriate and dangerous in the initial management of organophosphorus (OP) poisoning.
• OP compounds cause an accumulation of acetylcholine, which can lead to bradycardia. However, the heart muscle is often hypoxic and irritable.
• Administering adrenaline can trigger life-threatening cardiac arrhythmias, such as ventricular fibrillation, in this sensitized state.
• The correct medication to counteract the muscarinic effects of bradycardia and excessive secretions is Atropine.

Why Other Options Were Wrong

• Option A: This is an appropriate and vital action. Respiratory failure due to muscle weakness and central respiratory depression is the leading cause of death in OP poisoning.
• Option B: This is a critical priority. OP poisoning causes excessive bronchial secretions (bronchorrhea), which can obstruct the airway. Frequent suctioning is necessary to maintain a patent airway.
• Option C: This is a crucial step to prevent further absorption of the poison through the skin, which is a common route of exposure.

Related Visual

• Visual 1: Flowchart: Step-by-step emergency management of Organophosphorus Poisoning, highlighting ABCs, decontamination, and antidote administration (Atropine and Pralidoxime).
• Visual 2: Mnemonic: Illustration of the DUMBBELS mnemonic (Diarrhea, Urination, Miosis, Bronchorrhea/Bronchospasm, Emesis, Lacrimation, Salivation) for cholinergic crisis.

Clinical Relevance

• Nursing practice connection: Prioritize focused assessment, early escalation, and real-time monitoring when managing Emergency management of organophosphorus poisoning in acute care settings.
• A nurse's priority in OP poisoning is always Airway, Breathing, and Circulation (ABCs), followed immediately by decontamination to prevent further harm to the patient and staff.
• Nurses administering antidotes must titrate Atropine based on clinical signs (e.g., drying of secretions, heart rate), not a fixed dose, and must be prepared to manage atropine toxicity.
• Healthcare workers must use appropriate Personal Protective Equipment (PPE), including gloves and gowns, during decontamination to prevent secondary exposure.

How to Approach the Question

• First, identify the question type. This is a negative question asking for an action that is 'not appropriate'.
• Recall the pathophysiology of organophosphorus (OP) poisoning: it's a cholinergic crisis due to acetylcholinesterase inhibition.
• Think through the standard emergency management protocol: A-B-C (Airway, Breathing, Circulation), D (Decontamination), and E (Exposure/Environment).
• Evaluate each option against this protocol. Preparing for intubation (A), suctioning (A), and decontamination (D) are all standard, essential actions.
• Consider the final option, 'Start adrenaline infusion'. While the patient may have bradycardia (a 'C' problem), recall that the specific antidote for muscarinic effects is Atropine. Adrenaline is known to cause arrhythmias and would be dangerous in a poisoned, irritable heart.
• Conclude that starting adrenaline is the inappropriate action, making it the correct answer to this negative question.

Concept Tested & Keywords

• Concept Tested: Emergency management of organophosphorus poisoning
• Stem keywords: organophosphorus poisoning, emergency department, initial management
• Lead-in keywords: not appropriate
• Clinical cues: The care setting changes urgency, monitoring level, and the expected nursing action.
• Negative lead-in flag: The question asks for an action that is NOT appropriate.

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Qk_c5oAMxPMALUFBYapEXQ

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