EP Studios provides apps on multiple platforms (iOS, Android, Windows, Mac) to help with the diagnosis and treatment of cardiac arrhythmias. These apps are designed to help EP doctors, cardiologists, ER doctors, internists, NPs, PAs, nurses, technicians and students in their daily work.
News
2025-08-20. We are currently working on updating the Apple apps to support iOS 26, making sure the Liquid Glass doesn’t shatter in any of them. At the same time, we are simplifying the code that performs algorithms like the Arruda algorithm. People have requested adding new algorithms to the app, and this new code should will make it easier to add these algorithms. Hopefully all this will be ready by the time iOS 26 is formally released.
EP Mobile
Go to the EP Mobile page
EP Mobile is a heart rhythm reference app that includes everything from risk scores to ICD implant guidelines. It’s available for iOS and Android devices.
EP Calipers
Go to the EP Calipers page
EP Calipers provides electronic calipers to make measurements and calculations on digital electrocardiograms. It’s available for iOS, Android, macOS, and Windows.
EP QTc
Go to the EP QTc page
EP QTc is the ultimate QTc calculator. It includes over 30 formulas of historic interest and practical use for calculating the QTc, including graphical and statistical analysis of the results of these calculations. Available for iOS devices and Mac.
EP Diagram
Go to the EP Diagram page
EP Diagram is an iPad and Mac app for drawing electrocardiographic ladder diagrams for didactic purposes. These diagrams are saved as files and can be scrolled and zoomed. Once calibrated, interval and conduction times are automatically generated. Publication quality figures can be easily produced.
Blog
Go to the blog
Over the years I have written on various subjects, not all of them medical. In fact the topics are pretty far-ranging. Take a look.