A 76-year-old man presents with progressive wide-based gait, urinary incontinence, and memory impairment over 6 months. Vital signs: BP 160/90 mmHg, HR 78/min, RR 16/min, T 37°C, SpO2 98%. Neurologic exam reveals no focal deficits. Brain MRI demonstrates ventriculomegaly with normal cortical sulci and no significant parenchymal atrophy. CSF opening pressure is normal. Which of the following is the most likely diagnosis?

  1. A)Alzheimer disease
  2. B)Wernicke encephalopathy
  3. C)Normal pressure hydrocephalusGABARITO
  4. D)Subarachnoid hemorrhage
  5. E)Parkinson disease

Explicação

Normal pressure hydrocephalus is the correct answer because the classic triad is gait disturbance, urinary incontinence, and cognitive decline, often with ventriculomegaly despite normal opening pressure. Ver explicação completa e trilha adaptativa →

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