Neurology · Emergency Medicine

Cincinnati Prehospital Stroke Scale (CPSS) calculator

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

Clinical inputs

Facial DroopArm WeaknessSpeech Abnormality

Result

CPSS: negative risk category

Interpret only within the cited source population and criteria; use alongside complete clinical assessment.

Formula inputs

Facial Droop
Arm Weakness
Speech Abnormality

Primary source

Kothari RU et al. Cincinnati Prehospital Stroke Scale: reproducibility and validity. Ann Emerg Med. DOI: 10.1016/S0196-0644(99)70299-4. PMID: 10499942. Scope: CPSS counts positive facial droop, arm drift, and abnormal speech (0–3) for prehospital stroke identification. (1999)

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