Cerebrovascular Disease USMLE Step 1 Practice Question
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?
Answer choices
- AAlzheimer disease
- BWernicke encephalopathy
- CNormal pressure hydrocephalusCorrect answer
- DSubarachnoid hemorrhage
- EParkinson disease
- FVascular dementia with subcortical white matter disease
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