A 67-year-old man with a 3-year history of progressive resting tremor, rigidity, and bradykinesia presents with emotional withdrawal and micrographia. His wife notes difficulty initiating daily activities. Vital signs: BP 138/82, HR 88, RR 16, Temp 98.6°F, SpO2 98%. MRI brain shows no striatal atrophy. He denies memory loss and takes no antiparkinsonian medications. Serum B12 and TSH are normal. Which of the following is the most likely diagnosis?

  1. A)Essential tremor
  2. B)Multiple system atrophy
  3. C)Huntington disease
  4. D)Parkinson diseaseGABARITO
  5. E)Alzheimer disease

Explicação

The classic triad of Parkinson disease is resting tremor, rigidity, and bradykinesia. Micrographia (small handwriting) and apathy are common non-motor features. Disease typically begins unilaterally and progresses over years. Ver explicação completa e trilha adaptativa →

Fazer o diagnóstico grátis de USMLE