# City of Las Vegas RACE Scale

> Medical assessment tool for stroke symptom evaluation and LVO prediction. (iPhone/iPad app by City of Las Vegas.)

- Source: https://appshunter.io/ios/app/city-of-las-vegas-race-scale/id1467289061 (this page in markdown: same URL + `.md`)
- Developer: [City of Las Vegas](https://appshunter.io/developer/590288332)
- Category: Medical
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 17+
- Requires: iOS 9.0 · 34 MB
- Released: 2019-06-19
- Data updated: 2026-06-24
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/city-of-las-vegas-race-scale/id1467289061/reviews.md

## What is City of Las Vegas RACE Scale?

The RACE scale is an assessment tool for use by Fire Paramedics and Ambulance Franchise Partners to determine appropriate treatment response to rapid arterial occlusion also known as stroke symptoms recognized when evaluating patients in the field. This tool predicts large vessel occlusion (LVO) in patients possibly suffering from acute stroke based on symptom presence of moderate to severe facial palsy, arm and leg motor impairment, head and eye gaze deviation with left or right hemiparesis.
 
Data has shown that patients with LVO have better outcomes at Endovascular Treatment Centers where patients with total scores greater than 5 should be transported as listed in protocols. A predictive tool for LVO that provides a quantitative stroke assessment helps medical and pre-hospital providers plan for faster, better care of stroke patients for EMS transport.
 
For patients with RACE Scale scores ≥5, a LVO should be considered as the cause and a plan put in place to get them definitive care at a Endovascular Treatment Center by EMS transport immediately.  
 
For patients with RACE Scale scores ≤4, an acute stroke should still be considered. However, as a lower score correlates with lower NIHSS score, these patients may not be candidates for invasive therapies or specific destination hospitals as per EMS protocols.
 
The RACE Scale was initially designed and validated for prehospital use by Pérez de la Ossa et al in Catalonia, Spain. The initial design was based on a retrospective cohort of 654 patients with an acute ischemic stroke. The scale was modeled after NIHSS values with a higher predictive value to include facial palsy, arm/leg motor function, gaze, and either aphasia or agnosia depending on the hemisphere involved.  
 
The RACE Scale is not a substitute for a full neurologic exam and NIHSS assessment.

## Key features

- Stroke symptom assessment
- Large Vessel Occlusion (LVO) prediction
- Quantitative stroke assessment
- EMS transport planning
- Field patient evaluation


## Frequently asked questions about City of Las Vegas RACE Scale

### What is the RACE Scale app used for?

The RACE Scale app is a medical assessment tool designed for fire paramedics and ambulance partners. It helps evaluate stroke symptoms in the field to determine appropriate treatment response and predict potential large vessel occlusion (LVO).

### How does the RACE Scale app help with patient care?

By providing a quantitative stroke assessment, the app assists pre-hospital providers in planning for faster and better care. It helps identify patients who may benefit from immediate transport to Endovascular Treatment Centers.

### What specific symptoms does the RACE Scale app assess?

The app evaluates symptoms such as moderate to severe facial palsy, arm and leg motor impairment, head and eye gaze deviation, and left or right hemiparesis to predict LVO.

### Is the RACE Scale app a replacement for a full neurologic exam?

No, the RACE Scale is not a substitute for a full neurologic exam and NIHSS assessment. It serves as a predictive tool to aid in the decision-making process.

### What is the age rating for the RACE Scale app?

The RACE Scale app has an age rating of 17+, indicating it is intended for adult users.

### On which devices can I use the RACE Scale app?

The RACE Scale app is available for iPhone, iPad, and iPod devices.

### When was the RACE Scale app last updated?

The latest version of the RACE Scale app was released on 2021-04-23, with the initial release date being 2019-06-19.

### Does the RACE Scale app have ads?

No, the RACE Scale app is ad-free. It does not contain advertisements.

## Version history (last 2 releases)

### 1.4 — 2021-04-23

Brand new app built on new platform. Functionality remains the same.

### 1.0 — 2019-06-18

No release notes.

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## More apps by City of Las Vegas

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All apps by City of Las Vegas: https://appshunter.io/developer/590288332

## Related topics

[stroke scale](https://appshunter.io/ios/topics/stroke-scale) · [ailemattrain](https://appshunter.io/ios/topics/ailemattrain)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-24.*