A 14-year-old boy undergoing imaging after cardiac arrest and house fire.

A 47-year-old woman with progressive numbness, hearing loss, vision changes, dysphagia, and nausea/vomiting over the past two months.

A 62-year-old man with subacute progressive numbness and weakness in the extremities.

A 22-year-old man with recurrent dystonia and dysphagia.

A 49-year-old woman with rapidly progressive altered mental status.

An 18-month-old girl with developmental delay presents with new-onset seizures.

A 13-year-old boy presents with progressive left eye blindness.

A 60-year-old man with progressive numbness and tingling in his fingers and toes.

A 37-year-old woman with worsening lethargy, mental status change, and incontinence after a fall.

A 30-year-old man with slow cognitive decline and development of a spastic gait.

A 59-year-old man with facial drooping and asymmetry, as well as incomplete closure of the left eye.

An 11-year-old boy with sudden-onset weakness of all four limbs and acute urinary retention.

A 22-year-old woman undergoing spinal MR imaging.

A 58-year-old woman with progressive visual changes.

A 58-year-old woman with new-onset hearing loss, otalgia, and tender external auditory canals.

A 36-year-old woman with worsening headaches, blurry vision, and arm weakness.

A 36-year-old woman with eye pain, blurry vision, and vision flashes.

A 30-year-old woman with vertigo.

A 47-year-old woman with altered mental status after collapsing at home.

A 16-month-old boy with fever, nasal drainage, and a history of recurrent otitis media.