Monitoring and anaesthesia workstation: curriculum recognition: 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 · Monitoring and anaesthesia workstation: curriculum recognition

Sample item

On a five-lead ECG in theatre, which lead is the most useful single lead for identifying arrhythmias through a clear P wave and for detecting inferior wall ischaemia?

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

The answer and the reasoning

A. Lead II

Lead II is aligned with the atrial axis, so the P wave is tallest, which helps diagnose rhythm disturbances, and it also reflects the inferior wall. Lead V5 is the best single lead for anterior and lateral ischaemia, and a combination of II and V5 is the most sensitive.

Option by option

  • A. Lead II (correct)

    Correct. Lead II shows the P wave best and looks at the inferior wall.

  • B. Lead aVR

    Lead aVR looks at the right upper cavity and has an inverted P wave and QRS.

  • C. Lead V5

    Lead V5 is best for anterior and lateral wall ischaemia.

  • D. Lead aVL

    Lead aVL looks at the high lateral wall and does not give the best P wave.

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 A, Lead II. Lead II is aligned with the atrial axis, so the P wave is tallest, which helps diagnose rhythm disturbances, and it also reflects the inferior wall.

Why is "Lead aVR" not the answer?

Lead aVR looks at the right upper cavity and has an inverted P wave and QRS.

Why is "Lead V5" not the answer?

Lead V5 is best for anterior and lateral wall ischaemia.

Why is "Lead aVL" not the answer?

Lead aVL looks at the high lateral wall and does not give the best P wave.

What concept does this question test?

It tests Monitoring and anaesthesia workstation: curriculum recognition in Anaesthesia. Lead V5 is the best single lead for anterior and lateral ischaemia, and a combination of II and V5 is the most sensitive.

How hard is this question?

We tag it as an application question: it asks you to use a fact on a patient or a finding. 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 Monitoring and anaesthesia workstation: curriculum recognition?

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.