About QuickEM
The Essential Emergency Medicine Reference Trusted by Clinicians QuickEM is the comprehensive bedside companion designed by emergency physicians for emergency physicians. Whether you're a medical student on your first ED...
The Essential Emergency Medicine Reference Trusted by Clinicians QuickEM is the comprehensive bedside companion designed by emergency physicians for emergency physicians. Whether you're a medical student on your first ED rotation or an attending managing a busy department, QuickEM delivers the critical information you need-instantly. Built for Real Emergency Medicine . Over 80 chief complaint topics with differentials, history, tests, and treatments focused on ED-specific care . Over 90 validated medical calculators / tools . No login required . Zero fluff-only ED-relevant information Organized by How You Think . Chief complaints structured by presentation . Calculators grouped by clinical category . Smart search finds tools . Customizable favorites list for your go-to references Trusted by Every Level . Medical Students: Essential differentials and workup basics . Residents: Quick access to decision rules and scoring systems . Attendings: Rapid reference for less common presentations and 2nd brain refreshers Key Features: . Complete offline access-works without internet . No ads, no subscriptions, no account required . Covers adult and pediatric emergency medicine . Includes trauma protocols and resuscitation guides . Evidence-based content with source citations . Professional medical illustrations and ECG examples Content Highlights: . Cardiovascular: HEART Score, CHADS2-VASc, Wells Criteria . Neurological: NIHSS, Canadian Head CT Rules, HINTS Exam . Trauma: NEXUS, Canadian C-Spine, PECARN . Pediatrics: PEDS Vitals, Croup Score, Bronchiolitis . Toxicology: Rumack-Matthew, CIWA-Ar, Anion Gap . And more! Developed by practicing emergency physicians who understand what you need at 3 AM with multiple critical patients. QuickEM is designed to be the fastest way to look up the info you need. This app is designed exclusively for medical professionals and students. Not intended for patient or public use.
Version History Added dark mode by request! Bug fixes. 7.2 Apr 22 Bug fix 7.1.2 Mar 20 Bug fix 7.1.1 Mar 16 Bug fixes 7.1 Feb 26 - Added Aortic Dissection Detection Risk Score - Added 4AT delirium screening calculator - Added Oakland Score (LGIB) calculator - Added pediatric minor blunt head trauma chief complaint - Added pediatric earache chief complaint - Added pediatric rash chief complaint - Added Leg Swelling / Pain complaints - Improved startup and first page load performance - Fixed errata - Content updates 7.0 Feb 19 - Organize calculators by category (optional, top right button) - Improved calculators search - COWS calculator: Opioid withdrawal severity - mBIG Calculator: Added Modified Brain Injury Guidelines (mBIG) calculator to help determine management of traumatic brain injury patients with intracranial hemorrhage - YEARS PE in Pregnancy Algorithm - NEDOCS calculator: Validated method of assessing ED overcrowding. - HEARTRISK6 score: Revised Ottawa CHF score, to help determine disposition - Ultrasound Quick Reference under Tools - Bug and performance fixes 6.3 07/25/2025 Bug fixes and content updates 6.2 01/09/2025 Added CHALICE Content updates 6.1 10/10/2023 • New look • Content updates • Bug fixes • Added features 6.0 03/05/2023 • Content improvements • Fixed WikEM links • Topics added: foreign body topics (peds and adult), palpitations (adult), neuro guide (tips), billing guide (tips) • Calculators added: Hestia criteria, bCAM • SI units for calculators • Premium: new Scott Weingart wisdom • Please email us at
[email protected] with any questions, comments, errata, or issues 5.6 08/05/2019 •Now you can save notes for each chief complaint •Updated Smith’s STEMI calculator – they’ve improved the formula! •Content improvements Thank you for all of the suggestions, keep them coming! 5.2 09/16/2017 • Premium: added constipation for adults, neonatal conjunctivitis • Added calling a consult to tips section • Added EKG interpretation guide to tools (more coming soon, stay tuned!) • Content improvements • Bug fixes 5.1 06/29/2017 Bug fixes. 5.0.3 06/26/2017 Fixed the in-app purchase bug. If you tried to buy before but couldn't, please try again. 5.0.2 06/23/2017 Fixed the in-app purchase bug. If you tried to buy before but couldn't, please try again. 5.0.1 06/22/2017 • All-new coding and an improved interface… less memory used, faster startup time, and more stable! Let us know if there are problems with the new code. • New tools including ABI calculator, rate checker (quickly calculate RR or HR), estimated gestational age, age in days (for neonates), and more • Added the Step-by-Step Pediatric fever algorithm, SOFA score, PECARN abdominal trauma, pediatric penile pain • New premium content: rapid medication dosing guide, resuscitation guide, new calculators / complaints, and a way to hide calculators you don’t use! • Improved citations • Multiple fixes / improvements 5.0 06/12/2017 • Content updates • Revolutionized the differential diagnoses for abdominal pain… check it out! • New look for the calculators – hope you like it! • Added qSOFA score, BISAP, QTc Calculator, Sodium correction for hyperglycemia, and Subtle Anterior MI calculator • Minor additions and fixes 4.0 09/20/2016 Minor fixes. 3.6 07/31/2016 Updated ALTE (now called BRUE) with latest AAP guidelines. Added qSOFA (new screening test for sepsis). Minor fixes. 3.5 06/07/2016 • Added hemoptysis and pediatric hematuria • Added Rapid EKG interpretation to tips • New pearls! • Minor fixes 3.2 02/12/2016 • Interface improvements, including a new search feature • iPad support! • Added epistaxis, hemoptysis, TBI, Canadian C spine rule, Hunt & Hess Score, Kocher Criteria, Osmolal gap, Peak Expiratory Flow Rate, PESI • Revamped tips section – check out the new material • Calculator improvements: now all calculators are built-in (ie no internet required), improved formatting and added more information for each calculator • New flow charts / diagrams • Fixes 3.0 08/13/2015 Errata fixes Design improvements 2.2 06/23/2015 2.1: • Darkened background for “Tips” section • Bug fixes 2.0: • Score calculators… no more mental math! • Collapsible sections (tap any text with an arrow to the left to open/close) • Significantly improved histories and physical exams • Added PERC rule, Centor Criteria, Ranson’s criteria, LRINEC score, Apgar score, San Francisco Syncope Rule, and SADPERSONS • Added links to MDCalc for Duke’s endocarditis criteria, NIH Stroke Scale, and PORT score • Added acute urinary retention • Errata fixes, addendums 2.1 04/26/2015 • Score calculators… no more mental math! • Collapsible sections (tap any text with an arrow to the left to open/close) • Significantly improved histories and physical exams • Added PERC rule, Centor Criteria, Ranson’s criteria, LRINEC score, Apgar score, San Francisco Syncope Rule, and SADPERSONS • Added links to MDCalc for Duke’s endocarditis criteria, NIH Stroke Scale, and PORT score • Added acute urinary retention • Errata fixes, addendums 2.0 03/10/2015 •Fixes & addendums •Implemented local version of PECARN head rule •Improved formatting of Brugada Criteria •Improved formatting of ddx •Faded uncommon / rare diagnoses and tests 1.3 12/14/2014
Previous Versions
Here you can find the changelog of QuickEM since it was posted on our website on 2016-10-03 11:04:13.
The latest version is 7.2 and it was updated on 2026-07-02 11:56:55. See below the changes in each version.
QuickEM version 7.2
Updated At: 2026-06-29
Changes: Version History Added dark mode by request!
Bug fixes. 7.2 Apr 22 Bug fix 7.1.2 Mar 20 Bug fix 7.1.1 Mar 16 Bug fixes 7.1 Feb 26 - Added Aortic Dissection Detection Risk Score
- Added 4AT delirium screening calculator
- Added Oakland Score (LGIB) calculator
- Added pediatric minor blunt head trauma chief complaint
- Added pediatric earache chief complaint
- Added pediatric rash chief complaint
- Added Leg Swelling / Pain complaints
- Improved startup and first page load performance
- Fixed errata
- Content updates 7.0 Feb 19 - Organize calculators by category (optional, top right button)
- Improved calculators search
- COWS calculator: Opioid withdrawal severity
- mBIG Calculator: Added Modified Brain Injury Guidelines (mBIG) calculator to help determine management of traumatic brain injury patients with intracranial hemorrhage
- YEARS PE in Pregnancy Algorithm
- NEDOCS calculator: Validated method of assessing ED overcrowding.
- HEARTRISK6 score: Revised Ottawa CHF score, to help determine disposition
- Ultrasound Quick Reference under Tools
- Bug and performance fixes 6.3 07/25/2025 Bug fixes and content updates 6.2 01/09/2025 Added CHALICE
Content updates 6.1 10/10/2023 • New look
• Content updates
• Bug fixes
• Added features 6.0 03/05/2023 • Content improvements
• Fixed WikEM links
• Topics added: foreign body topics (peds and adult), palpitations (adult), neuro guide (tips), billing guide (tips)
• Calculators added: Hestia criteria, bCAM
• SI units for calculators
• Premium: new Scott Weingart wisdom
• Please email us at
[email protected] with any questions, comments, errata, or issues 5.6 08/05/2019 •Now you can save notes for each chief complaint
•Updated Smith’s STEMI calculator – they’ve improved the formula!
•Content improvements
Thank you for all of the suggestions, keep them coming! 5.2 09/16/2017 • Premium: added constipation for adults, neonatal conjunctivitis
• Added calling a consult to tips section
• Added EKG interpretation guide to tools (more coming soon, stay tuned!)
• Content improvements
• Bug fixes 5.1 06/29/2017 Bug fixes. 5.0.3 06/26/2017 Fixed the in-app purchase bug. If you tried to buy before but couldn't, please try again. 5.0.2 06/23/2017 Fixed the in-app purchase bug. If you tried to buy before but couldn't, please try again. 5.0.1 06/22/2017 • All-new coding and an improved interface… less memory used, faster startup time, and more stable! Let us know if there are problems with the new code.
• New tools including ABI calculator, rate checker (quickly calculate RR or HR), estimated gestational age, age in days (for neonates), and more
• Added the Step-by-Step Pediatric fever algorithm, SOFA score, PECARN abdominal trauma, pediatric penile pain
• New premium content: rapid medication dosing guide, resuscitation guide, new calculators / complaints, and a way to hide calculators you don’t use!
• Improved citations
• Multiple fixes / improvements 5.0 06/12/2017 • Content updates
• Revolutionized the differential diagnoses for abdominal pain… check it out!
• New look for the calculators – hope you like it!
• Added qSOFA score, BISAP, QTc Calculator, Sodium correction for hyperglycemia, and Subtle Anterior MI calculator
• Minor additions and fixes 4.0 09/20/2016 Minor fixes. 3.6 07/31/2016 Updated ALTE (now called BRUE) with latest AAP guidelines.
Added qSOFA (new screening test for sepsis).
Minor fixes. 3.5 06/07/2016 • Added hemoptysis and pediatric hematuria
• Added Rapid EKG interpretation to tips
• New pearls!
• Minor fixes 3.2 02/12/2016 • Interface improvements, including a new search feature
• iPad support!
• Added epistaxis, hemoptysis, TBI, Canadian C spine rule, Hunt & Hess Score, Kocher Criteria, Osmolal gap, Peak Expiratory Flow Rate, PESI
• Revamped tips section – check out the new material
• Calculator improvements: now all calculators are built-in (ie no internet required), improved formatting and added more information for each calculator
• New flow charts / diagrams
• Fixes 3.0 08/13/2015 Errata fixes
Design improvements 2.2 06/23/2015 2.1:
• Darkened background for “Tips” section
• Bug fixes
2.0:
• Score calculators… no more mental math!
• Collapsible sections (tap any text with an arrow to the left to open/close)
• Significantly improved histories and physical exams
• Added PERC rule, Centor Criteria, Ranson’s criteria, LRINEC score, Apgar score, San Francisco Syncope Rule, and SADPERSONS
• Added links to MDCalc for Duke’s endocarditis criteria, NIH Stroke Scale, and PORT score
• Added acute urinary retention
• Errata fixes, addendums 2.1 04/26/2015 • Score calculators… no more mental math!
• Collapsible sections (tap any text with an arrow to the left to open/close)
• Significantly improved histories and physical exams
• Added PERC rule, Centor Criteria, Ranson’s criteria, LRINEC score, Apgar score, San Francisco Syncope Rule, and SADPERSONS
• Added links to MDCalc for Duke’s endocarditis criteria, NIH Stroke Scale, and PORT score
• Added acute urinary retention
• Errata fixes, addendums 2.0 03/10/2015 •Fixes & addendums
•Implemented local version of PECARN head rule
•Improved formatting of Brugada Criteria
•Improved formatting of ddx
•Faded uncommon / rare diagnoses and tests 1.3 12/14/2014
QuickEM version 7.1.2
Updated At: 2026-03-20
Changes: Bug fix
QuickEM version 7.1
Updated At: 2026-02-26
Changes: Bug fixes
QuickEM version 6.3
Updated At: 2025-07-25
Changes: - Organize calculators by category (optional, top right button)
- Improved calculators search
- COWS calculator: Opioid withdrawal severity
- mBIG Calculator: Added Modified Brain Injury Guidelines (mBIG) calculator to help determine management of traumatic brain injury patients with intracranial hemorrhage
- YEARS PE in Pregnancy Algorithm
- NEDOCS calculator: Validated method of assessing ED overcrowding.
- HEARTRISK6 score: Revised Ottawa CHF score, to help determine disposition
- Ultrasound Quick Reference under Tools
- Bug and performance fixes
QuickEM version 6.3
Updated At: 2025-07-25
Changes: Jul 25, 2025
Version 6.3
- Organize calculators by category (optional, top right button)
- Improved calculators search
- COWS calculator: Opioid withdrawal severity
- mBIG Calculator: Added Modified Brain Injury Guidelines (mBIG) calculator to help determine management of traumatic brain injury patients with intracranial hemorrhage
- YEARS PE in Pregnancy Algorithm
- NEDOCS calculator: Validated method of assessing ED overcrowding.
- HEARTRISK6 score: Revised Ottawa CHF score, to help determine disposition
- Ultrasound Quick Reference under Tools
- Bug and performance fixes
QuickEM version 6.2
Updated At: 2025-01-09
Changes: Jan 9, 2025
Version 6.2
Bug fixes and content updates
QuickEM version 6.1
Updated At: 2023-10-10
Changes: Oct 10, 2023
Version 6.1
Added CHALICE
Content updates
QuickEM version 6.0
Updated At: 2023-03-05
Changes: Mar 5, 2023
Version 6.0
. New look
. Content updates
. Bug fixes
. Added features
QuickEM version 4.0
Updated At: 2014-11-08
QuickEM version 7.0
Updated At: 1970-01-01
Changes: - Added Aortic Dissection Detection Risk Score
- Added 4AT delirium screening calculator
- Added Oakland Score (LGIB) calculator
- Added pediatric minor blunt head trauma chief complaint
- Added pediatric earache chief complaint
- Added pediatric rash chief complaint
- Added Leg Swelling / Pain complaints
- Improved startup and first page load performance
- Fixed errata
- Content updates
Disclaimer
Official App Store Link
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