A 22-year-old man presents with 3 days of fever (38.9°C), abdominal cramping, and bloody diarrhea after consuming undercooked chicken. Stool culture grows Campylobacter jejuni. Gastrointestinal symptoms resolve, but 2 weeks later he develops ascending weakness, areflexia, and mild paresthesias. Nerve conduction studies show prolonged distal latencies and slowed conduction velocities consistent with demyelination. He denies recent vaccination. Which organism most likely triggered this patient's neurologic condition?

  1. A)Enterotoxigenic Escherichia coli
  2. B)Shigella sonnei
  3. C)Salmonella typhi
  4. D)Campylobacter jejuniGABARITO
  5. E)Yersinia pestis

Explicação

Campylobacter jejuni is correct. Campylobacter is a comma shaped gram negative organism associated with inflammatory diarrhea after poultry exposure and can trigger Guillain Barré syndrome through molecular mimicry. The ascending weakness and areflexia are cla... Ver explicação completa e trilha adaptativa →

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