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

A 58-year-old man with prior alcohol use disorder, current tobacco use, and prior lacunar infarct with no residual deficits presented with nine months of progressive abnormal gait accompanied by slurred speech, erectile dysfunction, and urinary incontinence.

A 74 -year-old woman presented with altered mental status.

67-year-old man with atypical meningioma complaining of left eye pain and sudden complete blindness.

A 75-year-old man who had been admitted after left heart catheterization suddenly developed aphasia.

A 43-year-old woman with a history of ulcerative colitis presented with a four-day history of bilateral pulsatile tinnitus with some vomiting and left sided neck pain.

A male patient presented with headache and dizziness.

A 5-day old male patient born at 24 weeks and 4 days presented with acute decompensation and hemoglobin decrease.

A 42-year-old man presented with bilateral arm weakness and worsening gait instability.

A 25-year-old woman with a history of factor V Leiden presented with a headache.

A 48-year-old woman with a history of vascular Ehlers-Danlos Syndrome (vEDS) presented with severe worsening left-sided headache associated with a whooshing sound, subconjunctival hemorrhage, proptosis, anisocoria (left pupil dilated), and restricted left eye movements.

A 65-year-old man presented to the emergency department due to left scalp swelling with clear nasal discharge.

A woman in her 50s presented with dizziness and falls.

A 19-year-old woman presented with seizure. The patient reported prior admissions for seizures.

A 35-year-old man presented to the emergency department with vague generalized headache for a few days.

A 52-year-old woman presented with several months of right-sided weakness and multiple falls.

A 23-year-old woman presented with three months of intermittent blurred vision and several weeks of severe headache.

A 19-year-old woman, G1P0 at 35 weeks gestation, was brought into the emergency department after witnessed seizures and loss of consciousness.

A 74-year-old man with a history of dementia presented with altered mental status. The rest of the patient’s history has been withheld.

A 34-year-old woman with a history of migraines presented with a worsening headache.