A 34-year-old woman presents with a 2-day history of acute-onset involuntary jerking movements of the right arm and leg, along with facial droop, dysarthria, and dysphagia. She reports having pharyngitis 1 week prior, treated symptomatically. Vital signs are stable (BP 118/76 mmHg, HR 92 bpm, RR 16/min, Temp 37.2°C). Laboratory findings reveal ESR 62 mm/hr and elevated antistreptolysin O titer. Brain MRI shows no acute infarction or mass effect. Lumbar puncture demonstrates mild lymphocytic pleocytosis (18 cells/μL) with normal glucose and protein. Which of the following is the most likely diagnosis?

  1. A)Acute disseminated encephalomyelitis (ADEM)
  2. B)Acute ischemic stroke
  3. C)Bacterial meningitis
  4. D)Sydenham choreaGABARITO
  5. E)Anti-NMDA receptor encephalitis

Explicação

Sydenham chorea is a late neuropsychiatric manifestation of acute rheumatic fever (ARF) that typically occurs 2-3 weeks after group A Streptococcal pharyngitis. The classic triad includes involuntary choreiform movements (jerking of limbs), emotional lability,... Ver explicação completa e trilha adaptativa →

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