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Overall value:
97 pts
QxMD made a next-generation medical calculator, called Calculate, which is an essential decision making app available to the medical community for free.

Scores

Cost-in-use
Free
100 pts
App Interface Usability
Clean, elegant design and intuitive interface
97 pts
Multimedia Usage
It's mostly text based with calculators that are simple, but effective
91 pts
Real World Usability
Usable in everyday situations
98 pts

Making decisions is what medical professionals do every day. Those decisions we make are based on different criteria and parameters, we can't simply have in our heads all the time. That's why we resort to medical calculators that come in all different shapes and sizes, from traditional paper OB wheels to more advanced app calculators, available for smartphones. There are numerous medical calculators available in the app stores for both Android and iOS devices, but there's one that really excels.

QxMD, the makers of really good Read and Pedi STAT apps also made a next-generation medical calculator and decision support tool, called Calculate that is available to the medical community for free.

Calculate app is essential decision making app, focused on highlighting tools which are actually useful in clinical practice and serve to impact diagnosis, treatment or determining prognosis in almost every  specialty, including General Practice, Internal Medicine, Cardiology, Surgery, Obstetrics, Pediatrics, Hematology, Nephrology, Gastroenterology, Neurology, Neurosurgery, Orthopedics, and more.

As its creators state, this app helps you make decisions, not just calculate numbers.

Once you install and open the app, you'll see the greeting message with short description of what Calculate by QxMD is. The first thing you'd probably notice is clean, minimal and up-to-date design, which stays with users throughout the app.

The option to personalize the app is the first feature you'll encounter after taping on Get Started button. There's an option to choose your profession, specialty, location, and default units, which would enable app to give you more personalized results.

After you've entered all the info, the next step is to create an account in order to use the Calculate app. The creation process is really simplified, and all you have to enter is your name (both first and last), your work zip and your email address.

The next screen shows all the calculators available, based on the specialty, from General Calculators (mostly concerning BMI and BSA calculators) to Vascular Surgery. Taping the specialty reveals the drop down menu with a list of calculators for the certain specialty, or sub-categories within that specialty. This is by far the most impressive aspect of the Calculate app. It offers more than 300 unique calculators and decision support tools. This vast list of various calculators helps medical professionals in managing different tasks. 
Using the calculators, medical providers can reduce and predict perioperative complications, with the help of WHO Surgical Safety Checklist or using the predictive models for cardiac surgery and coronary angiography. 

Calculators could also lead providers through treatment guidance, from determining cardiovascular risk and guide lipid treatment using the Framingham and Reynolds Risk Scores, or guiding treatment in atrial fibrillation using CHA2DS2-VASc score, to calculating the water deficit and guide treatment for hypernatremia.

Using Calculate app, medical providers could determine prognosis for various conditions, including heart failure, lymphoma, COPD, hemodialysis, myelodysplastic syndrome, pancreatitis, and more.

Medical professionals could also use the Calculate app to diagnose, classify and understand various conditions, to manage traumas and injuries, or to simply calculate different parameters, such as ideal body weight, BMI and BSA, due date and gestational age, Kt/V in dialysis patients, and much more.

With its simple and intuitive interface, the Calculate app leads you through the set of questions, which are pre-defined, depending on the specialty and condition. Each question offers from one to several answer options, depending on the condition and calculator type. Answering those questions is, of course, based on your patient's numbers and condition, and it helps you to calculate possibility or severity of certain diagnosis, and to determine further steps. 

You can also look for individual calculators using the Search option (top right). The calculators are listed in alphabetical order, but you can also look them up thanks to the intuitive search function that offers smart auto complete option. Try typing 'heart', for example, and you'll get all the calculators related to Cardiology, not only those that contain 'heart' in title.

If you use only limited calculators, you will find them if you tap on 'Recently Used' tab, that list all the calculators that you've used recently. The better option, however, is to favorite the calculators you frequently use by taping on the star icon within the calculator, and access them anytime via Favorites tab. It's the most convenient option if you use only several calculators every day, which is probably the case with majority medical providers.

Each calculator is explained with more information you get if you tap on 'i'(info) icon beside the calculator name. You get a brief description of each calculator, and the conditions they are used for, along with the integrated reference from Pubmed.

We can only conclude that Calculate by QxMD is probably the best medical calculator available, and it is definitely a must-have for all medical providers, dealing with range of various conditions.

Benefit: All medical providers in need of reliable calculator tool for decision-making.

Verdict:

For
  • Elegant design and intuitive interface
  • App developed by a collaboration of medical experts from diverse backgrounds
  • Ability to personalize the calculators based on your profession and specialty
  • Question Flow technology provides fast answers
  • Comprehensive and insightful results
  • Detailed references with Pubmed integration
Against
  • There's nothing bad to say about this app

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