Case Presentation: A 64-year-old female with eosinophilic pneumonia, eosinophilic myocarditis, and hypothyroidism presented to the ED with four days of left upper extremity weakness. Symptoms began with a “sensation of heat,” progressing to left-sided weakness, impaired motor coordination, and fecal incontinence. She denied dizziness, visual changes, chest symptoms, falls, or head trauma.She previously used corticosteroids [...]