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Setting Up a Stroke Team Algorithm and Conducting Simulation-based Training in the Emergency Department - A Practical Guide

Setting Up a Stroke Team Algorithm and Conducting Simulation-based Training in the Emergency Department - A Practical Guide

Published on: January 15, 2017

Which stroke symptoms prompt a 911 call? A population-based study.

Dawn Kleindorfer¹, Christopher J Lindsell, Charles J Moomaw

¹Department of Neurology, University of Cincinnati, Cincinnati, OH 45267-0525, USA.

The American Journal of Emergency Medicine

|June 29, 2010

Summary

Public response to stroke symptoms varies. Weakness, confusion, speech issues, and dizziness prompt 911 calls, while numbness and visual changes are less likely to, regardless of stroke severity.

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Area of Science:

Neurology
Public Health
Emergency Medicine

Background:

Patient and bystander delay in recognizing stroke symptoms is a significant barrier to timely treatment.
Less than half of stroke or transient ischemic attack (TIA) events lead to an immediate 911 call.
Understanding which specific symptoms drive emergency calls is crucial for public health interventions.

Purpose of the Study:

To identify which stroke symptoms are most likely to prompt the public to call 911.
To analyze the relationship between specific stroke symptoms and emergency medical services utilization.
To inform public awareness campaigns about critical stroke warning signs.

Main Methods:

A retrospective analysis of stroke and TIA cases in a 5-county region (1.3 million population) during 1999.
International Classification of Diseases, Ninth Edition, codes were used to identify stroke/TIA events.
Logistic regression was employed to determine which symptoms predicted a 911 call, controlling for demographic and clinical factors.

Main Results:

Of 2,975 stroke/TIA patients, 40% utilized emergency medical services.
Symptoms significantly increasing the odds of a 911 call included weakness, confusion/decreased consciousness, speech/language difficulties, and dizziness/vertigo/coordination issues.
Numbness and visual changes were less likely to prompt a 911 call, and headache showed no association.

Conclusions:

The public's decision to call 911 for stroke symptoms is influenced by the specific symptom presentation, independent of overall stroke severity.
Public awareness and education initiatives should emphasize the varying public response to different stroke warning signs.
Targeted messaging can improve emergency response times for stroke events.