An 80-year-old man was found down and unconscious.

A 24-year-old woman presented with complaints of swelling in the left frontal region of the scalp and visual disturbances lasting two months.

A 58-year-old man presented with altered mental status.

A 59-year-old woman was initially evaluated and referred by a fellowship-trained headache neurologist with a history of severe refractory daily headaches.

A 60-year-old woman presented to an outside hospital with abdominal pain and fevers found to be secondary to pneumonia.

A 62-year-old man presented to the hospital with complaints of five months of dizziness and two months of altered mental status and impaired ability to ambulate, as well as recent weight loss.

A 55-year-old man presented to the emergency department due to sudden-onset headaches.

A 61-year-old man presented with aphasia and confusion.

A previously healthy 10-year-old boy underwent an MRI scan for nonspecific headaches.

A 47-year-old woman presented with confusion and memory loss.

An 80-year-old man was evaluated for worsening altered mental status and memory issues.

A 25-year-old woman presented to the emergency department due to sudden onset severe left-sided headache and nausea for one day as well as intermittent left-eye blurry vision for two months.

A 12-month-old girl child presented with signs of global developmental delay, bluish discoloration on her hands, back, and lips, as well as unusual body movement.

A 56-year-old man presented with altered mental status. He was two months status post left decompressive hemicraniectomy for a subdural hematoma after a fall.

A 70-year-old man with a past medical history significant for coronary artery disease (CAD) and gastroesophageal reflux disease (GERD) presented to the emergency department with a chief complaint of confusion.

A 35-year-old man was brought to the emergency department after being found down at home by emergency medical services (EMS). History is significant for polysubstance abuse.

A 41-year-old man with a past medical history significant for a low-grade (WHO grade 2) astrocytoma status post resection and radiotherapy six years prior and stable follow-up scans since that point presented with seizures.

A 71-year-old woman presented to the emergency department due to altered mental status and dysarthria.

A 58-year-old man initially presented to an outside hospital for nausea and vomiting before developing an acute change in mental status where he became altered, somnolent, and grossly unresponsive.

A 17-year-old boy presented with acute onset right-sided facial swelling, trismus, pharyngitis, and sepsis.