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What findings would be found on EMG/NCS in a patient who presents with a small fiber neuropathy?
A 22-year-old female with chronic daily headaches and other neurological symptoms has an MRI performed as part of her diagnostic workup. Her cervical MRI imaging is provided below. In addition to her chronic daily headaches, what are the most likely additional neurological symptoms she experiences?
A mother and father bring in their 8-month-old son to your clinic for clinical events described as sudden flexion of the limbs and trunk, seen most often upon awakening or falling asleep. His interictal EEG is demonstrated below. Which of the following is the most likely cause of the patient’s symptoms and EEG findings?
A 67-year-old male wakes up with a painful, right-sided, itchy rash coming across his abdomen like a band involving the umbilicus. His primary care provider is concerned that the patient has shingles. For this patient, re-activation of the varicella-zoster virus occurred at the dorsal root ganglion at which thoracic level?
Which of the following EEG artifacts is prominently seen on this EEG?
An 82-year-old female presents with her family for a 3-year slow decline in memory. On examination, she has a MOCA of 23/30. She does not feel that she has any issues, but her family feels that she has trouble remembering important dates in her life and will repeat stories to them. Despite this, she has lived alone since her husband died 2 years ago and is able to cook, clean, and bathe on her own. She also balances her own checkbook and does her own grocery shopping. According to the DSM-V, this patient meets the criteria for which disorder?
A 45-year-old male with AIDs presents with headache and fever. His recent CD4 count was 80, and he does not take his HAART therapy or prophylaxis. You perform a brain MRI (shown below) and discover a contrast-enhancing lesion with much vasogenic edema. With concern for cancer, a biopsy is performed. It shows microglial nodules with encysted bradyzoites and tachyzoites. What is the treatment of choice?
A 78-year-old male with a past medical history of diabetes presents to the clinic with a 2-year history of progressive lower extremity numbness and pain. He describes the pain as “pins and needles”. Physical examination reveals loss of pinprick sensation to the ankles bilaterally, mute Achilles reflexes, and moderate difficulty with tandem gait. A diagnosis is made based on examination and clinical history. What is the mechanism of action of the most appropriate first-line therapeutic agent?
A 65-year-old man comes to the clinic with a one-year history of difficulty walking. More recently, he has also noticed a tendency to drop things. On examination, he was found to have weakness in his bilateral lower limbs, predominantly in his quadriceps muscles, along with finger flexion weakness that is worse on the left side. His sensory examination was normal. Which of the following is the most likely diagnosis?
A 41-year-old male presents to the emergency room with a two-day history of neck pain and speech difficulties. CT head shows scattered hypodensities in the left ACA and MCA territories. His Sagittal CT angiogram of the neck is shown below. What is the most likely cause of the patient’s symptoms?