Movement Disorders USMLE Step 1 Practice Question
A 30-year-old woman with multiple sclerosis presents with progressive coarse tremor worsening during intentional reaching. Vital signs: BP 118/76, HR 88, RR 16, Temp 37°C, SpO2 98%. On examination, finger-to-nose testing reveals slow zigzag hand movements with target overshoot. MRI brain shows demyelinating lesions in the cerebellum. She denies recent vision changes. Currently taking interferon-beta. Which of the following is the most likely type of movement abnormality?
Answer choices
- AResting tremor
- BAthetosis
- CIntention tremorCorrect answer
- DEssential tremor
- EMyoclonus
- FDystonic tremor
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