A 70-year-old patient presents with memory loss and cognitiv…

A 70-year-old patient presents with memory loss and cognitive decline. The physician orders a scan to rule out structural causes of dementia, such as stroke or a brain tumor, and to assess for patterns of atrophy that could suggest a neurodegenerative disease. What is the most appropriate initial imaging modality for this purpose?

A 46-year-old man presents to your clinic reporting tremors,…

A 46-year-old man presents to your clinic reporting tremors, anxiety, and diaphoresis 12 hours after his last drink. He typically consumes one pint of vodka daily. He denies seizures or hallucinations. Vital signs: BP 152/90, HR 110, T 99.2°F.  What is the most appropriate next step in management?