• Alana de Quadros Schroeder, Camila Greggianin, Marciane Maria Rover, Igor Gorski Benedetto, Mauricio Butzke, Antonio Pinotti, and Orlando Wender.
• Emergency Department, Hospital Moinhos de Vento and Instituto de Cardiologia, Porto Alegre, RS, Brazil. Electronic address: alana.quadros@hotmail.com.
• Chest. 2024 Jun 1; 165 (6): e173e176e173-e176.

AbstractA 30-year-old White woman with presumed rheumatoid arthritis accompanied by CT scan evidence of eosinophilic pneumonitis was referred to the ED by her rheumatologist for an investigation of the progression of dyspnea. Approximately 6 months before, the patient reported experiencing diffuse interphalangeal arthralgias (both proximal and distal) that affected the wrists, knees, and feet. These symptoms were accompanied by Modified Medical Research Council scale grade 2 dyspnea. During the initial assessment, the patient exhibited slight pallor and had no indications of inflammatory activity in the joints. Furthermore, the cardiovascular physical examination and the auto-antibody laboratory profile yielded normal results. However, a wrist ultrasound scan revealed evidence of active synovitis; a chest CT scan displayed multifocal bilateral ground-glass opacities and mild thickening of the interlobular septa. These findings suggested the presence of eosinophilic disease or an acute interstitial process related to collagen vascular disease. Consequently, the patient's treatment commenced with a weekly dose of methotrexate (10 mg). Despite the intervention, 2 months later, the patient returned, reporting persistent arthralgia and a worsening of dyspnea, now classified as Modified Medical Research Council scale grade 3. Subsequently, the rheumatologist referred her to the ED for further assessment. During the initial emergency evaluation, the patient experienced a syncope episode accompanied by orthostatic prodromal symptoms that included dizziness, nausea, and malaise.Copyright © 2024 American College of Chest Physicians. Published by Elsevier Inc. All rights reserved.

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