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Identify the darkly stained structures.
A 56-year-old female with a past medical history of IgA deficiency presents to the emergency room with a 4-day history of progressive, ascending lower extremity weakness. Neurological examination reveals flaccid paralysis of the bilateral lower extremities and areflexia. Imaging of the lumbar spine shows contrast enhancement of the cauda equina and CSF studies show elevated proteins and a normal WBC count. What is the most appropriate next step in therapy?
A 6-year-old Amish female presents to the emergency department with a 2-month history of gradual cognitive decline and jerking limb movements. A routine EEG was obtained (see below). Which of the following diseases is consistent with these EEG findings?
Oculomotor nerve palsy is most likely to be seen secondary to an aneurysm in which of the following arteries?
Damage to which of the following muscles can lead to scapular winging?
Where is the anatomic origin of the normal EEG sleep structure seen in the 3rd second of this recording?
A 19-year-old woman was brought to the emergency department after a rollover motor vehicle accident. On arrival, she was intubated and sedated for respiratory failure secondary to pneumothorax. Examination revealed intact brain stem reflexes and decreased spontaneous movement of the left side of her body. Her axial head CT scan is shown below. What is the most likely diagnosis?
A 45-year-old man with a past medical history of cardiac arrhythmia requiring pacemaker placement is referred to the clinic with a twenty-five-year history of slowly-progressive bilateral ptosis and diplopia. On examination, he has bilateral ptosis, decreased range of motion of the extraocular muscles, and mild proximal weakness in his upper and lower extremities. Which of the following is the most likely diagnosis?
A 90-year-old woman presents to the emergency room with an acute change in mental status. On examination, she is alert but is not answering questions or following commands. Speech is fluent, but not interpretable. Comprehension is severely impaired. Interestingly she was able to repeat full sentences without much difficulty. Which of the following is the most likely territory of ischemic damage?
What sensitivity should the EEG be at to qualify for brain death criteria?