In rheumatoid arthritis, during the acute phase the values which are significant are

ESIC Nursing Officer - 2019 (Shift-2)

Medical & Surgical Nursing

Easy

Appeared in: ESIC Nursing Officer - 2019 (Shift-2)

Explanation

Erythrocyte Sedimentation Rate (ESR) and C-Reactive Protein (CRP) are key inflammatory markers, also known as acute-phase reactants.
Their levels rise significantly in response to the systemic inflammation characteristic of an acute rheumatoid arthritis (RA) flare.
Tracking ESR and CRP levels is crucial for monitoring disease activity, assessing the severity of a flare, and evaluating the effectiveness of treatment.

Option A: Liver function test (LFT) elevation is not a direct marker of RA inflammation.
Option C: The term 'CBC elevation' is nonspecific. While RA can cause changes in the complete blood count (CBC), such as anemia of chronic disease or thrombocytosis (high platelet count), these are not the primary indicators of an acute flare.
Option D: Renal function test (RFT) elevation is not a typical feature of an RA flare.

Visual 1: Infographic: A chart comparing the levels of ESR and CRP during a normal state versus an acute RA flare, highlighting the significant increase.
Visual 2: Diagram: Illustrating how inflammation in RA leads to the liver producing acute-phase reactants like CRP.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Laboratory markers for acute rheumatoid arthritis as background academic context rather than a clinical decision trigger.
Nurses play a vital role in educating patients about the importance of these lab tests for managing their RA and encouraging adherence to follow-up appointments.
A sudden spike in ESR/CRP, coupled with patient-reported symptoms like increased joint pain, swelling, and morning stiffness, should prompt the nurse to notify the healthcare provider for a potential treatment adjustment.
What if? If a patient with stable RA on methotrexate presents with elevated LFTs but normal ESR/CRP, the priority shifts from managing a flare to investigating potential drug-induced liver injury.

How to Approach the Question

First, identify the core of the question: it asks for lab values that are 'significant' during an 'acute phase' of 'rheumatoid arthritis'.
Recognize that 'acute phase' points towards markers of active inflammation.
Evaluate each option. Rheumatoid arthritis is an inflammatory disease. Therefore, the most significant markers will be direct indicators of inflammation.
Recall or deduce that ESR and CRP are classic inflammatory markers (acute-phase reactants).
Consider the other options: LFT, CBC, and RFT are general tests. While they can be affected in RA, they are not the primary markers for an acute flare. Their changes are often secondary to the disease or its treatment.
Conclude that the elevation of ESR and CRP is the most direct and significant finding for an acute RA flare.

Concept Tested & Keywords

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