A 46-year-old man presented with headache, hypertension, and elevated plasma catecholamine levels.  

A 10-year-old girl presented with bilateral knee pain. 

A 70-year-old woman was transferred by ambulance to the emergency department (ED) of a hospital that was not percutaneous coronary intervention-capable, having just achieved return of spontaneous circulation after a 30-minute community pulseless electrical activity cardiac arrest.

A 70-year-old man with a longstanding history of multiple joint pain and soft-tissue swelling, and multiple other comorbidities including diabetes, hypertension, and chronic renal failure, presents with sudden onset of upper and lower limb weakness. The physical examination was worrisome for spinal cord compression.

An 84-year-old woman presented with worsening frailty and unintentional weight loss.

A 69-year-old man presented to the emergency department following a witnessed first generalized tonic-clonic seizure.

A female term neonate was noted at birth to have a deformity of her left lower limb/ankle with an anterolateral tibial bow associated with marked varus angulation and procurvatum.

72-year-old man with abdominal distension.

A 68-year-old man with a prior history of brain surgery presented with unsteady gait and occasional headaches.

An 82-year-old woman presented to the hospital at night with a two-day history of worsening epigastric pain that radiated to the right upper and lower quadrants.

An 84-year-old man presented with a four-month history of hoarseness following urologic surgery.

A 62-year-old man with a history of progressively worsening and increasing frequency of ear infections and cerumen impaction.

A 56-year-old man with a history of the lower motor neuron type of facial palsy and swelling over the right angle of the mandible for the previous eight months presented with the chief complaints of pain and an increase in the size of the swelling over the previous two months.

A 59-year-old man reported months of lumbar back pain.

31-year-old woman with light perception blindness, followed by upper extremity weakness four years later.

A 38-year-old woman presented with severe right lower quadrant pain.

10-year old girl in a semiunconscious state.

Hip pain in three individuals of varying ages.

A 7-year-old boy with right lower quadrant pain.

A symptomatic 66-year-old man with a history of left-sided skull base mass.