All the following are major Jones criteria for rheumatic fever EXCEPT?

AIIMS Bhuvneshwar NO- 2018

Medical Surgical Nursing

Easy

Appeared in: AIIMS Bhuvneshwar NO- 2018

Explanation

Fever is classified as a minor criterion for the diagnosis of acute rheumatic fever, not a major one.
The minor criteria are less specific to rheumatic fever and include fever, arthralgia (joint pain without swelling), elevated inflammatory markers (ESR, CRP), and a prolonged PR interval on an ECG.
The presence of minor criteria contributes to the diagnosis only when combined with at least one major criterion and evidence of a preceding streptococcal infection.

Option A: This is incorrect because Erythema marginatum is one of the five major Jones criteria.
Option C: This is incorrect because migratory polyarthritis is the most common major criterion of acute rheumatic fever.
Option D: This is incorrect because carditis is the most serious major criterion, as it can lead to permanent heart damage.

Visual 1: Infographic: A chart summarizing the Jones criteria, using the mnemonic 'JONES' for major criteria (Joints, O-carditis, Nodules, Erythema marginatum, Sydenham chorea) and 'FAME' for minor criteria (Fever, Arthralgia, Markers of inflammation, ECG changes). This helps in quick recall.
Visual 2: Illustration: A depiction of Erythema marginatum, showing the characteristic serpiginous, non-pruritic rash with pale centers on the trunk.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Jones criteria for rheumatic fever diagnosis as background academic context rather than a clinical decision trigger.
Accurate diagnosis of acute rheumatic fever using the Jones criteria is critical for initiating timely antibiotic treatment to eradicate group A streptococcus and for starting anti-inflammatory therapy.
Prompt treatment and subsequent long-term penicillin prophylaxis are essential to prevent recurrences of rheumatic fever and the development of chronic rheumatic heart disease, a major cause of acquired valvular heart disease.
What if? If a patient presents with only one major criterion (like carditis) and one minor criterion (like fever), the diagnosis of acute rheumatic fever cannot be confirmed. The diagnostic rule requires either two major criteria or one major and two minor criteria, plus evidence of a preceding streptococcal infection.

How to Approach the Question

First, identify the keyword 'EXCEPT'. This signals that you must find the option that does not fit the specified category, which is 'major Jones criteria'.
Second, recall the major Jones criteria for rheumatic fever. A helpful mnemonic is 'JONES': Joints (polyarthritis), O (carditis, shaped like a heart), Nodules (subcutaneous), Erythema marginatum, and Sydenham chorea.
Third, evaluate each option against this list of major criteria.
Erythema marginatum, Migratory polyarthritis, and Carditis are all part of the 'JONES' mnemonic and are therefore major criteria.
Fever is not part of the mnemonic for major criteria; it is a well-known minor criterion.
Conclude that Fever is the correct answer as it is the exception.

Concept Tested & Keywords

Concept Tested: Jones criteria for rheumatic fever diagnosis
Stem keywords: rheumatic fever, major Jones criteria
Lead-in keywords: EXCEPT
Negative lead-in flag: The question uses the word 'EXCEPT', asking to identify the option that is not a major criterion for rheumatic fever.

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