Developed by the Division of Cardiology at the University of Cape Town, ECG APPtitude is a comprehensive ECG reference guide for students and health care practitioners. The app uses high quality ECGs from real patients.  The ECGs are annotated and accompanied by text and illustrations to explain normal physiology, as well as the pathophysiology of abnormal features on the ECG. For easy reference of systematic ECG analysis and interpretation, the content is organized by ECG features and by ECG