This medical app is developed for health care professionals who treat patients in medical emergencies concerning the adult non-trauma patient. This app summarizes the systematic approach of medical emergencies following the ABCDE method. In each letter there is a 4-step approach leading to the diagnosis and treatment of life threatening diseases with additional essential information including several emergency algorithms and dosing of emergency medication. This app is a digital version of important pocket-sized cognitive aids and suited for medical students, residents, nurses and staff. We hope you will enjoy this app and that it is a viable aid in saving lives in emergency situations. This app has been developed with the utmost care by experts working in the emergency department and internal medicine. This app is designed for medical professionals only. The developers cannot take any responsibility for the results, consequences and damage following the use of this app. Questions and suggestions are highly appreciated. Please contact our team: [email protected]