A patient have blister wound due to chemical burn. What is the primary intervention for this condition?

Appeared in: NORCET 3 - 2022 (Shift-1)

Explanation

The immediate priority for a chemical burn is to stop the burning process by removing the chemical agent from the skin.
Irrigating the wound with copious amounts of running water effectively dilutes and washes away the chemical, preventing further tissue destruction.
Medical guidelines recommend immediate and prolonged flushing (at least 20 minutes) as the standard first-line treatment for most chemical skin exposures.
This action is critical to reduce the severity and depth of the burn.

Option B: The volume of 20 ml is grossly insufficient to decontaminate a chemical burn. Effective irrigation requires a large, continuous stream of fluid to wash the chemical away.
Option C: Applying an antibiotic solution is a secondary step focused on infection prevention, not the primary intervention. The immediate goal is to remove the chemical. Furthermore, the solution could react with the chemical.
Option D: Delaying treatment to identify the chemical is dangerous and allows for continued, irreversible tissue damage. The principle is to start irrigation immediately.

Clinical Relevance

Nursing practice connection: Use the key finding related to First aid and emergency management of chemical burns to guide bedside assessment, documentation, and the next nursing action.
In an emergency setting, nurses must act swiftly to initiate irrigation for chemical burns, as delays can significantly worsen the patient's outcome.
Proper use of Personal Protective Equipment (PPE) is crucial for the nurse's safety to prevent secondary contamination from the chemical.
What if the chemical was a dry powder like lime? The correct initial action would be to gently but thoroughly brush off all visible powder from the skin before starting irrigation with water. Adding water to some dry chemicals can create a thermal reaction, worsening the burn.

How to Approach the Question

First, identify the question's core subject: a chemical burn. Note the keywords 'primary intervention', which signals you must choose the most important first action.
Recall the fundamental principle of treating poisonings and chemical exposures: remove the offending agent to stop the damage.
Evaluate each option against this principle. Option A, washing with copious water, directly addresses the removal of the chemical.
Analyze the distractors. Option B is an inadequate action. Option C is a secondary action (for infection). Option D is a dangerous delay.
Conclude that the most critical and immediate action is to flush the area with water, making it the correct answer.

Concept Tested & Keywords

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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. 750-752

Practise the full NORCET 3 - 2022 (Shift-1)

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