38-year-old woman comes to the emergency department due to 2 hours of left leg weakness and numbness. Over the last 3
months, the patient has had several similar episodes in which her left foot tingles and becomes numb and her entire left foot becomes
limp, causing her to trip The symptoms resolve spontaneously within a few hours. Her right leg has never displayed similar
symptoms The patient has no significant medical history but does have a family history of multiple sclerosis. She does not use
tobacco, alcohol, or illicit drugs. The patient has experienced major psychosocial stress after losing her job 6 months ago, but this has
tempered somewhat since she joined a meditation group Vital signs are within normal limits. Physical examination shows diminished
pinprick sensati on over the dorsum of the left foot and weakness of the left big toe on extension. The patient is able to walk on her left
toes but not on her left heel. Which of the following is the most likely cause of this patient’s current symptoms?
- QA Myoneural junction dysfunction
- 0 B. Peripheral nerve compression
- 0 C. Primary psychiatric disorder
- 0 D. Spinal artery atherothrombosis
- 0 E. Spinal nerve root entrapment
- 0 F Subcortical white matter demyelination
- 0 G. Transient frontoparietal ischemia
0 voters