The Chief Complaint

Name: The Chief Complaint
Rating: 4.8 (654 reviews)
Author: Escavo, Inc

By: Escavo, Inc

Emergency medicine guide

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Features & Capabilities

The Chief Complaint is an algorithm-based emergency medicine guide that helps clinicians work through 50+ common ED presentations with a built-in, offline reference. It features color-coded organ-system navigation, more than 60 decision-support algorithms, and exhaustive references with direct PubMed links. The resource includes subject-specific links to EM:RAP, Essentials of Emergency Medicine, and theNNT.com, journal club, peer-reviewed content, medical calculators, and a built-in drug guide. All content is built-in; network access is only required for updates, and automatic updates keep you current.

Version 4.0 adds the ESCAVO Clinical Community—a forum for clinicians to ask questions and collaborate on sepsis and other topics. This makes it easy to exchange ideas, review evidence, and learn at the bedside. The Chief Complaint is designed for doctors, residents, medical students, nurses, and other emergency medicine professionals and is used by the LA County + USC EM residency program, reflecting its real-world relevance.

User Growth & Download Statistics

App Education

By:

Escavo, Inc

Rating:

4.80

(654) 1 new ratings

Version:

4.0 Last updated: 2023-10-13

Version code:

860467932

Creation date:

2015-06-13

Compatible devices:

Size:

156.63MB

URLs:

Website ,Privacy policy

Full description:

Source:

Apple Apps Store

Data ingested on:

2026-06-04

Compare stats and ranking:

Ranking

# 69,129 ▼ 88

Other platforms

The Chief Complaint (v4.0)

47,630 4.61

(321)

For Developers

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Contact the developer

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Developed by:

Escavo, Inc

Apple Apps Store

https://apps.apple.com/us/app/the-chief-complaint/id969426649

Website:

http://www.escavo.com

User Reviews

Reviewers praise the app for being comprehensive and algorithmic, aiding differential diagnosis and clinical reasoning across EMS, ED, urgent care, and rural settings. It’s easy to use, concise, and evidence-based. The main drawbacks are poor iPad landscape support, outdated content in places, and occasional bugs like bookmark crashes. Overall, it’s a highly useful educational and clinical tool with room for UI and content updates.

Pros

Comprehensive and thorough with an algorithmic, stepwise approach to diagnostics and management.
Enhances differential diagnosis and clinical reasoning across EMS, ED, urgent care, and rural settings.
Easy to use and intuitive with straightforward navigation.
Evidence-based, concise, high-yield content.
Free educational resource with broad topic coverage.

Cons