A 19-year-old boy develops acute ascending weakness in all four limbs and dyspnea over 24 hours following a viral upper respiratory infection. Vital signs: BP 118/76, HR 102, RR 22, temp 37.2°C, SpO2 98% on room air. Lumbar puncture reveals elevated protein (78 mg/dL) with normal glucose (52 mg/dL). EMG demonstrates demyelinating slowing without conduction blocks. Cranial nerves remain intact. Which diagnosis best explains these findings?
- A)Guillain-Barré syndromeGABARITO
- B)Acute transverse myelitis
- C)Spinal cord compression
- D)Multiple sclerosis
- E)Poliomyelitis
Explicação
GBS is an acute post-infectious demyelinating polyneuropathy presenting with ascending paralysis and respiratory failure. The albuminocytologic dissociation (elevated protein with normal glucose) and demyelinating pattern on EMG are classic. The rapid progress... Ver explicação completa e trilha adaptativa →