A 65-year-old woman is accompanied by her daughter for a physical examination.She has mild heart failure and takes digitalis and an ACE inhibitor.As you examine the patient,you note flat affect,hand tremor,and slowed movements.The tremor is worsened at rest.There are no neurologic deficits.Hand grip,sensation of face and extremities,and lower extremity muscle strength are within normal limits and bilaterally equal.DTRs are equal bilaterally.CN II to XII are intact.The mental status exam is normal.These are key signs of:
A) Chiari malformation
B) Normal pressure hydrocephalus
C) Parkinson's disease
D) Drug toxicity
Correct Answer:
Verified
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