Case Presentation: A 50-year-old African American female with a history of mixed connective tissue disorder with positive ANA titer, speckled pattern 1:1280, and spindle apparatus pattern 1:640, presented with worsening dyspnea, numbness, and weakness of both lower extremities. Two days prior she received the first dose of COVID-19 mRNA vaccine and later developed nausea, vomiting, diarrhea, and anorexia.   In the emergency department, patient was found to have an elevated blood pressure of [...]