A 46-year-old man presents 24 hours after consuming home-canned vegetables with blurred vision, dysphagia, and dry mouth. He now reports progressive descending weakness. Vital signs show BP 128/82, HR 102, RR 16, temperature 37.2°C, and SpO2 98% on room air. Physical examination reveals dilated pupils and intact sensation. Serum electrolytes are normal. Which of the following is the most likely diagnosis?
- A)Myasthenia gravis
- B)Guillain Barré syndrome
- C)BotulismGABARITO
- D)Tetanus
- E)Lambert Eaton myasthenic syndrome
Explicação
Foodborne botulism causes symmetric descending paralysis, bulbar symptoms, mydriasis, and autonomic dysfunction because botulinum toxin blocks presynaptic acetylcholine release. Intact sensation helps distinguish it from many neuropathic processes. Ver explicação completa e trilha adaptativa →