Local anaesthetic toxicity: resuscitation doses: practice question

A Anaesthesia question in the style of the NEET PG paper. Answer it first, then read why the right option is right and why each of the others is wrong.

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Anaesthesia · Local anaesthetic toxicity: resuscitation doses

Sample item

In cardiac arrest from local anaesthetic toxicity, how should adrenaline be dosed?

Original practice item, not a recalled exam question. Nothing here is recorded.

The answer and the reasoning

D. Small doses of 1 microgram/kg or less

High-dose adrenaline may impair lipid resuscitation and cause arrhythmia and metabolic problems, so doses of 1 microgram/kg or less are advised. Vasopressin and calcium channel blockers should be avoided.

Option by option

  • A. Doubled to 2 mg

    Doubling is inappropriate.

  • B. Avoided completely and replaced by vasopressin

    Vasopressin is advised against.

  • C. Standard 1 mg boluses repeatedly

    Repeated 1 mg doses are discouraged.

  • D. Small doses of 1 microgram/kg or less (correct)

    Correct. Reduced-dose adrenaline is recommended.

Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.

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Questions about this Anaesthesia question

What is the answer to this Anaesthesia question?

The best answer is D, Small doses of 1 microgram/kg or less. High-dose adrenaline may impair lipid resuscitation and cause arrhythmia and metabolic problems, so doses of 1 microgram/kg or less are advised.

Why is "Doubled to 2 mg" not the answer?

Doubling is inappropriate.

Why is "Avoided completely and replaced by vasopressin" not the answer?

Vasopressin is advised against.

Why is "Standard 1 mg boluses repeatedly" not the answer?

Repeated 1 mg doses are discouraged.

What concept does this question test?

It tests Local anaesthetic toxicity: resuscitation doses in Anaesthesia. Vasopressin and calcium channel blockers should be avoided.

How hard is this question?

We tag it as a multi-step question: it asks you to combine more than one idea. The tag is our own editorial judgement, not an official difficulty rating, so read the reason for every option, not only the answer.

How should I study Local anaesthetic toxicity: resuscitation doses?

Make a table of each agent, its key advantage and its main side effect. Then use the flashcards and the other Anaesthesia questions on this site to test what stuck.

Is this a real NEET PG question?

No. It is an original practice item (editorial status: sample, version 1). NextPrep does not publish recalled or leaked questions, and independent faculty review of this item has not been completed yet, so confirm important facts in a standard textbook.