# ABG Pro

> Medical app for arterial blood gas and osmolar gap interpretation and calculation. (iPhone/iPad app by Gaurav Malhotra.)

- Source: https://appshunter.io/ios/app/abg-pro/id493840595 (this page in markdown: same URL + `.md`)
- Developer: [Gaurav Malhotra](https://appshunter.io/developer/493839619)
- Category: Medical, Education
- Price: $1.99
- Rating: 4.75/5 from 4 App Store ratings · 3 written reviews indexed
- Age rating: 17+
- Requires: iOS 12.0 · 3 MB
- Languages: English
- Released: 2012-02-09
- Data updated: 2026-06-11
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/abg-pro/id493840595/reviews.md

## What is ABG Pro?

Arterial Blood Gas Pro. Get the features of multiple apps in one.

* Great tool for nurses, doctors and medical students 
* A-a Gradient Calculator 
* Interprets Arterial Blood Gas and Osmolar Gap including triple acid base problems. 
* Provides differential diagnosis of each disorder in your Arterial Blood Gas and Osmolar Gap.  
* Allows you to define Normal pCO2 and Bicarb range for ABG [Arterial Blood Gas] interpretation.
* Corrects Anion Gap for Albumin(ie Albumin g/dL x 2.5 = normal AG) in the ABG [Arterial Blood Gas] values.
* Calculates Anion Gap, Osmolar Gap, Delta Delta, Expected PCO2 and Expected Bicarb.

This ABG [Arterial Blood Gas] and Osmolar Gap app has be "stress tested" against 100+ triple-acid base problems.  

This app has been developed by a ABIM Certified Internal Medicine Physician in the US and calculations are based on: Interpretation of arterial blood gas. Pramod Sood, Gunchan Paul, and Sandeep Puri (Indian J Crit Care Med. 2010 Apr-Jun; 14(2): 57 - 64)

This application is for ABG [Arterial Blood Gas] and Osmolar Gap informational/educational purposes only.  Please do not use to guide actual patient care and real life ABG interpretation.  I take no responsibility for incorrect answers.

Please notify me ASAP if do see incorrect answers in the ABG interpretation so that I may fix them.

Please rate highly if you like the app.

## Key features

- Arterial Blood Gas interpretation
- Osmolar Gap calculation
- A-a Gradient Calculator
- Differential diagnosis for acid-base disorders
- Customizable normal ranges
- Anion Gap correction for albumin

## Recent user reviews (3 of 3)

All indexed reviews: https://appshunter.io/ios/app/abg-pro/id493840595/reviews.md

### 4/5 — Great app

*2014-05-17*

Does what it is supposed to do and does it well.
Great tool.

### 5/5 — Great

*2013-08-20*

Wonderful for an internist like me!

### 5/5 — Very impressed!

*2012-07-08*

I've thrown some pretty challenging acid base problems at this to check my own work and even with triple disorders it has been remarkably accurate. Very cool to be able to verify I am working through stuff correctly. The DDx it gives for the various derangements is pretty helpful too. Definitely worthwhile!

## Frequently asked questions about ABG Pro

### What is ABG Pro used for?

ABG Pro is a medical tool designed for interpreting arterial blood gases and osmolar gaps. It helps calculate various parameters like the A-a gradient, anion gap, and provides differential diagnoses for acid-base disorders.

### Who developed ABG Pro?

ABG Pro was developed by a US-based ABIM Certified Internal Medicine Physician. The calculations are based on established medical literature, specifically 'Interpretation of arterial blood gas' by Sood, Paul, and Puri.

### Is ABG Pro suitable for actual patient care?

No, ABG Pro is intended for informational and educational purposes only. The developer explicitly states not to use it to guide actual patient care or real-life ABG interpretation and takes no responsibility for incorrect answers.

### What medical conditions does ABG Pro help with?

ABG Pro assists in understanding and interpreting arterial blood gas results, which are crucial for diagnosing and managing various acid-base disorders and respiratory conditions.

### Can I customize the normal ranges in ABG Pro?

Yes, ABG Pro allows users to define their own normal pCO2 and Bicarb ranges for ABG interpretation, which can be useful for specific patient populations or institutional protocols.

### How accurate are the calculations in ABG Pro?

The app has been 'stress tested' against over 100 triple-acid base problems. Users are encouraged to report any incorrect answers to the developer for prompt fixing.

### What devices is ABG Pro available on?

ABG Pro is available on iPhone, iPad, and iPod devices, indicated by its supported devices list.

### How often is ABG Pro updated?

The latest version of ABG Pro is 1.7, and it was last updated on June 14, 2023. This indicates regular maintenance and potential feature additions.

## Version history (last 5 releases)

### 1.7 — 2023-06-14

Only backend changes.

### 1.4.2 — 2018-10-27

fixed a bug

### 1.4.1 — 2018-10-24

Back end and interface/look update.

### 1.2 — 2012-05-01

Bug Fix.

### 1.1 — 2012-03-06

Bug Fix

## Apps similar to ABG Pro

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Arterial Blood Gas (Pro)](https://appshunter.io/ios/app/arterial-blood-gas-pro/id1229419928) | — | $1.99 | Medical |
| [Ventilator Guide](https://appshunter.io/ios/app/ventilator-guide/id1522572803) | — | Free | Medical |
| [CURRENT Dx Tx Cardiology](https://appshunter.io/ios/app/current-dx-tx-cardiology/id1551762345) | 4.8 (4) | Free | Medical |
| [Fluids and Electrolytes MIE](https://appshunter.io/ios/app/fluids-and-electrolytes-mie/id1207773168) | 3.8 (5) | Free | Medical |
| [Harrison’s Internal Med. 21/E](https://appshunter.io/ios/app/harrisons-internal-med-21e/id1636127469) | — | $249.99 | Medical |
| [Harrison’s Manual of Med. 20/E](https://appshunter.io/ios/app/harrisons-manual-of-med-20e/id1501417637) | — | $64.99 | Medical |

## More apps by Gaurav Malhotra

- [ABG Pro DDx](https://appshunter.io/ios/app/abg-pro-ddx/id6450242800)

All apps by Gaurav Malhotra: https://appshunter.io/developer/493839619

## Related topics

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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 2026-06-11.*