Broaden your differential and reduce clinical uncertainty

Isabel is used by clinicians worldwide to help manage clinical uncertainty by matching clinical features to diseases. Isabel provides inspiration when you need it most and has set a new industry standard for accuracy, ease of use and breadth of coverage.

Why clinicians use Isabel:

96% accuracy

Quick and easy to use

Ability to enter multiple clinical features in free text

6,000 diseases and 4,000 causative drugs covered

Continuously validated

Fully compatible on all devices

Remote triage using the Isabel Symptom Checker

We recently added a COVID-19 module into our symptom checker. Only a machine learning based tool like Isabel can handle the growing complexity of how COVID-19 presents.

Whether in primary or secondary care, the Isabel Remote Triage System can help you remotely prioritise which patients need help and provide you with the relevant information you need to efficiently triage when you contact them.

The system can be set up in under 3 hours keeping your clinicians safe while still providing reassurance and great care to your patients.

“ A reduction in the time taken to use the DDX generators was seen with newer tools such as Isabel and this may increase their acceptability in routine clinical practice. ”

Riches N, Panagioti M, Alam R, Cheraghi-Sohi S, Campbell S, Esmail A and Bower P. The Effectiveness of Electronic Differential Diagnoses (DDX) Generators: A Systematic Review and Meta-Analysis. PLOS On March 8, 2016.

Isabel, which uses natural language searchers and a real-time synthesis of medical literature, is the best thing I’ve seen out there.

- Robert M Wachter, MD, Professor and Assoc. Chair, University of California

Isabel has saved me and a few patients a lot of woe...

- Bob Eanett, MD, Watson Clinic, Lakeland, FL, USA

I was really sceptical of Isabel at first thinking it was going to replace our brains, but having used it a number of times it’s actually a way to make our thinking better... It’s a really exciting time to see technology help us. Our brain is still the most important tool in the job......

- Andrew Olson, Chief Resident, University of Minnesota Medical School

The value of Isabel is the fact that they have amassed such a large differential diagnosis that it makes you think about abnormal diagnoses much more. Physicians can’t ignore the fact that we can’t remember everything, and we have to learn how to take advantage of tools such as this.

- Neal Thomas, MD, Asst Professor of Pediatrics, Pennsylvania State University College of Medicine

I find Isabel so useful in providing patient care and in teaching house officers. You are worth your weight in gold. Thank you for such an informative website.

- Margaret Hostetter, Professor and Chair, Yale University School of Medicine

Isabel is a powerful and wonderful tool that is useful for both advanced clinicians and learners. For the experienced, it can serve as a reminder of the zebras that we sometimes overlook. …….. It truly is a gift in caring for patients.

- Joseph Schneider, MD, Chief Medical Information Officer, Children’s Medical Center, Dallas, Texas

Top 10 tips for implementing DDx

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