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Neurology · Emergency Medicine

Los Angeles Motor Scale (LAMS) calculator

Enter the published formula inputs below to calculate and interpret this score.

Clinical inputs

Result

Complete all required inputs to calculate the score.

Formula inputs

  • Facial Droop
  • Arm Drift
  • Grip Weakness

Primary source

Llanes JN et al. The Los Angeles Motor Scale (LAMS) for prehospital stroke severity. Stroke. DOI: 10.1161/STROKEAHA.111.638304. PMID: 22156657. Scope: LAMS 0–5 from facial droop (0–1), arm drift (0–2), grip strength (0–2) for large vessel occlusion screening. (2012)

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