The app itself seems very helpful as far as getting the rhythms down. Although I didnt really have a chance to look at it before I was prompted to "upgrade or rate", it will still probably be beneficial to me. The app would be better if it had the reason for the rhythms being the way they were instead of just the symptoms of the patients. I do love the "live" reading, it gives it a much more realistic feel.
NHaney about ECG for Doctors