Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 9/23/2025

Essential Tremor Diagnosis

Clinical Features

  • A negative Romberg test excludes proprioceptive/sensory ataxia, which would worsen significantly with eye closure due to loss of visual compensation for impaired position sense, according to Praxis Medical Insights 1, 2
  • The absence of ataxia rules out cerebellar pathology, as cerebellar ataxia would show persistent unsteadiness regardless of visual feedback, as noted by Praxis Medical Insights 1
  • Cerebellar ataxia would present with intention tremor (worsening as the limb approaches a target) plus additional cerebellar signs like dysmetria, dysdiadochokinesis, or truncal instability, as reported by the Journal of the American College of Radiology and Praxis Medical Insights 3, 1
  • The absence of ataxia effectively rules out cerebellar ataxia, according to Praxis Medical Insights 1
  • A positive Romberg test would indicate proprioceptive ataxia, with marked worsening when visual input is removed, as noted by Praxis Medical Insights 2
  • The negative Romberg test excludes dorsal column or peripheral sensory pathway dysfunction, according to Praxis Medical Insights 2
  • Action tremor characteristics in essential tremor do not significantly worsen with eye closure (unlike sensory ataxia), as reported by Praxis Medical Insights 1, 2

REFERENCES

1

Cerebellar Ataxia Diagnosis and Management [LINK]

Praxis Medical Insights: Practical Summaries of Clinical Guidelines, 2025

2

Proprioceptive Ataxia and Wide-Based Gait [LINK]

Praxis Medical Insights: Practical Summaries of Clinical Guidelines, 2025

3

acr appropriateness criteria® ataxia-child. [LINK]

Journal of the American College of Radiology, 2022