A 31-year-old man with no past medical history presents with progressive painful paresthesias in both feet and hands over 4 weeks following a diarrheal illness 2 weeks ago. Vital signs: BP 128/82, HR 92, RR 18, temp 37°C, SpO2 98%. Neurologic exam reveals symmetric lower extremity weakness; cranial nerves are intact. Nerve conduction studies demonstrate demyelination with conduction slowing. CSF protein is mildly elevated at 58 mg/dL. Which diagnosis best explains these findings?
- A)Guillain-Barré syndromeGABARITO
- B)Multiple sclerosis
- C)Chronic inflammatory demyelinating polyneuropathy
- D)Lyme disease
- E)Vincristine toxicity
Explicação
GBS is an acute demyelinating polyneuropathy typically preceded by viral or bacterial infection (often Campylobacter jejuni gastroenteritis). It presents with ascending weakness and paresthesias over days to weeks, with demyelinating NCS findings and elevated ... Ver explicação completa e trilha adaptativa →