ABG Acid-Base eval walks a clinician through a stepwise approach to analyse ABG's and electrolytes in order to arrive at acid-base disorders and diagnostic ideas about ill patients. It is based mainly upon a worksheet developed by Dr. Erik Rupard from the medical literature. This tool not only yields answers, but just as importantly teaches the stepwise thinking process and the necessary concepts along the way. A clinician or learner will wind up with good information that assists patient care and should wind up a little smarter and more able to do it with less assistance the next time. It is a great support for those of us clinicians who use these tests only occasionally and don't have it memorized. The differential diagnoses include the classic mnemonics like MUDPILERS, CHAMPS, CLEVER PD, and HARDUPS, with explanations and examples.
The app addresses such common questions as:
* What are common causes of metabolic acidosis? respiratory alkalosis?
* How do I calculate predicted pCO2? corrected bicarbonate?
* What is the primary acid-base disorder?
* Are additional acid-base disorders present, and if so, what are they?
This app is written and intended for practicing clinicians like internists, family physicians, ER docs, cardiologists, pulmonologists, intensivists, and hospitalists; for resident physician trainees; for medical students; and of course for other clinician colleagues like NP's and PA's. As an educator and clinician, I am interested in feedback and I would be grateful for guidance on improving the tool.
Notes of importance:
- many thresholds and cutoffs are arbitrary and debatable, so you will have to use judgment to interpret which disorders are present and to what extent when suggested by the app
- the app facilitates you to evaluate the data. If you make a mistake, the app will not argue with you. It will, at the end, offer to compare your work to the disorders that the app finds using the same algorithm
- patients are more than the sums of their numbers and data, and they are often unique individuals. Use this information as a starting point in the evaluation of your patient and always do your own thinking!
fixed dark mode problem causing electrolyte and blood gas entry to be invisible
Ratings and Reviews
Great calculator and an education tool
Yes it might be easier just to input the numbers and get the answers. Yet this app asks to think and do your own calculations in a multistep analysis. You can skip those and get the answer. It even gives you deferential diagnosis for the problems you face. I found that most people who give ABG apps low ratings tend not to understand the complexity of some ABG problems. This app starts by determining the primary problem. Then determines the preexisting respiratory and then metabolic conditions. Excellent and it is how you should do the math in your brain.
Simple, Effective, Awesome!
There are so many different methods to interpret ABGs it can seem overwhelming when you are first learning. This app teaches a very simple yet effective method for working through the analysis. It will allow you to diagnose even the most complicated triple acid base disorders quickly. The best part is that it explains each step along the way so you can really learn to do the analysis on your own without help from the app. Very well done, highly recommend!
A great way to work through these problems
This is a neat little app that does more than just "spit out" numbers, but actually walks the user through the process of figuring out acid/base disorders. Armed with and ABG and electrolyte panel, any clinician can figure out the disorders their patient has and generate a good differential as to the cause(s). Simple to use, straightforward, and uses a proven approach (both the Haber method and Winter's formula). Well done!
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- Joshua D. steinberg
- 1.4 MB
- Requires iOS 13.0 or later.
- iPod touch
- Requires iOS 13.0 or later.
- Requires macOS 11.0 or later and a Mac with Apple M1 chip.
- Age Rating
- 17+ Frequent/Intense Medical/Treatment Information
- © 2020 Joshua Steinberg MD
With Family Sharing set up, up to six family members can use this app.