Clinical Cases and Images has a nice post up with a set of links to and explanations of various ECG/EKG learning tools. They are introduced as follows:

To provide some background, I am a teaching attending at Cleveland Clinic and have multiple rotations during the year with our residents and medical students. We record all topics discussed during a particular rotation on this blog and I know from the feedback which one the residents and students like the best. This month it was the session about using 2 mnemonics as a systematic approach to interpreting EKGs and web-based tools for EKG training.