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App Store Apps > Education > The Chief Complaint
App profile & analytics · Education · Data updated 2026-10-17
The Chief Complaint icon

The Chief Complaint

by Escavo, Inc · Free · Version 4.0
Availability On the App Store since June 2015 ↗
Rating on App Store
4.81/5
653 ratings
Rating
4.81
653 reviews
Best rank
–
not in the top lists
Last updated
October 13, 2023
4.0
AppBrain's verdict EstablishedLoved by users

Users love it: 4.8 stars from 653 ratings.

The Chief Complaint is made and published by Escavo, Inc. AppBrain is an independent app data site and isn't affiliated with Escavo, Inc. The app name, icon, screenshots and description belong to Escavo, Inc and are shown as published on the App Store.

About The Chief Complaint

The Chief Complaint is an education app developed by Escavo, Inc.

User Ratings

The Chief Complaint is rated 4.81 out of 5 stars. The rating is based on 650 ratings.

App Information

The Chief Complaint is freely available from the App Store. The app size is 156.63 MB. The latest version available is 4.0. The last update was on October 13, 2023.

Technical Requirements

The app has a content rating of High Maturity. The app has been available on the App Store since June 2015.

Description by Escavo, Inc (from the App Store)
The Chief Complaint app now includes access the new ESCAVO Clinical Community, a forum where clinicians can exchange ideas, ask questions and collaborate on sepsis and other clinical topics.

How would you like to walk into the ER confident that you knew what to do, no matter what comes through the door? The Chief Complaint app uses an algorithmic approach to over 50 of the most common complaints encountered in emergency medicine. Never feel lost or overwhelmed again, not knowing what the next step in the work-up is. Not sure what tests to order or if the patient can go home? The Chief Complaint helps you answer all those questions and more!

- Algorithm based approach to the most common emergency medicine complaints
- Based on the #1 bestselling emergency medicine clinical guide "The Chief Complaint"
- Used by the residents of LA County + USC emergency medicine program, one of the top emergency medicine programs in the world
- Color coded by organ system for easy navigation
- Exhaustively referenced to the most important studies and articles in emergency medicine (over 400 citations!) with direct links to PubMed abstracts for easy access to original sources
- Over 60 high resolution clinical management and decision support algorithms
- Direct subject-specific links to EM:RAP, Essentials of Emergency Medicine and theNNT.com for further resources and deeper dives on all subjects
- Journal club feature allows you to dive deeper into the evidence basis of your decisions
- Peer reviewed by leading physicians in emergency medicine
- Important medical calculators and scores commonly used in the ER
- Emergency medicine drug guide easily accessible right from the content pages
- All content, including treatment algorithms, is built-in, network access is only required for content updates
- Automatic content updating keeps app's contents constantly up to date free of charge

The Chief Complaint is an invaluable resource for doctors, residents, medical students, nurses and other healthcare professionals working in emergency medicine and other acute care settings.

Please send your feedback, questions or bug reports to info@escavo.com, we'd love to hear from you!

Reviews:

"The Chief Complaint is simply indispensable, carry it with me every shift. Excellent algorithms, concise, practical, clinically relevant explanations citing the current best-evidence for management decisions; without doubt Chief Complaint it is THE pocket Emergency Medicine reference to have with you at the bedside."
-Manuel Montano, MD, PGY-3, LAC+USC EM Residency

"...is really top notch. I really like how it organizes complaints in a flow pattern type way. This has allowed me to quickly adjust my decision making and makes it actually useful when I feel super pressured at work. The further detail located later has been helpful to one, get some good initial learning in and two, look to the resources cited for more in depth discussion."
-David Benaron, UCSD Resident

"Chief complaint is AWESOME...I think every single intern in the country should have one of these...SO COOL!"
-James Grieme, UCSD Resident

"The aptly named Chief Complaint is simply excellent. I really like the way it is laid out by cc and it's concise enough to be useful on a regular basis. I take it with me to every shift and would highly recommend it to anyone looking for a streamlined, functional, real-time guide for working up patients in the ED"
-Nick Aldridge, UCSD Resident

"... really something totally new in the medical education world. This app does something many have tried to do but few have achieved, which is to create an orienteering guide to the med-ed landscape while launching your thought processes AT THE BEDSIDE when confronted with a new undifferentiated and undiagnosed patient."
-William "Billy" Mallon MD, Foreword
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Screenshots

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Screenshots by Escavo, Inc, from the the App Store listing
Official page on the App Store

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Changelog of The Chief Complaint

No changelog data

Developer information for Escavo, Inc

Escavo, Inc

Address:

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App Store Rankings for The Chief Complaint

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Technologies used by The Chief Complaint

Frequently asked questions about The Chief Complaint

Is The Chief Complaint free?

Yes. The Chief Complaint is free on the App Store.

Is The Chief Complaint still available?

Yes. The Chief Complaint is on the App Store, and the last update we saw was on October 13, 2023.

How large is The Chief Complaint?

The Chief Complaint is 156.63 MB.

Is The Chief Complaint suitable for children?

App Store gives The Chief Complaint a high maturity rating. It is meant for adults.

How do people rate The Chief Complaint?

The Chief Complaint scores 4.81 out of 5 stars, from 653 ratings on the App Store.

Who made The Chief Complaint?

The Chief Complaint was developed by Escavo, Inc. It is listed in the education category on the App Store.

What are the best alternatives to The Chief Complaint?

People looking at The Chief Complaint also look at these education apps: EMRA Antibiotic Guide, Rosh Review | Exam Prep Qbank, Thalamus, Aquifer Clinical Learning, Pocket Prep EMS 2026.

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