Definition & Operational Usage of Prehospital Stroke Scale
What Is Prehospital Stroke Scale?
Deploying rapid neurological screening tools like the Cincinnati (CPSS) or Los Angeles Motor Scale (LAMS) to identify facial droop, arm drift, and speech abnormalities.
⚠️ Operational Safety Warning:Failing to determine the exact 'Last Known Well' time invalidates the tPA administration window.
Why Prehospital Stroke Scale Matters on the Fireground
Accelerates the identification of large vessel occlusions (LVOs), directing transport to comprehensive stroke centers for thrombectomy.
Relevant NFPA Standards
- NREMT Standards: National Registry of Emergency Medical Technicians Practice Standards
- NFPA 455: Standard for Emergency Medical Services (EMS)
Field Procedures & Tactical Steps
- Ask the patient to smile and observe for facial asymmetry.
- Have the patient hold both arms out palms up for 10 seconds with eyes closed.
- Ask the patient to repeat a simple phrase to check for slurring.
- Check blood glucose to rule out hypoglycemia.
- Establish the exact time they were last seen normal.
Common Context & Application
Patients presenting with sudden onset weakness, confusion, or aphasia.
Frequently Asked Questions about Prehospital Stroke Scale
Why check blood sugar?
Hypoglycemia mimics stroke symptoms perfectly.
What is the tPA window?
Typically 3 to 4.5 hours from symptom onset.
Other Names for Prehospital Stroke Scale
Stroke Assessment ToolStroke ScaleStroke Screening
Prehospital Stroke Scale may also appear in training materials, NFPA standards, or department SOPs as: Stroke Assessment Tool, Stroke Scale, Stroke Screening.
Relevant Tools
Operational calculators related to Prehospital Stroke Scale:
Category:EMS & Medical
— Patient care, assessment, interventions, triage, and EMS system terms commonly used by firefighter/medics.