ECG interpretation is an essential skill in emergency medicine. This collection of 100+ cases covers both fundamental and advanced concepts and provides detailed interpretations that will sharpen, or keep sharp, your ECG reading skills. There are more than 400 annotated high-resolution images designed to maximize pattern recognition. You can work through the cases randomly or by topic (regular wide-complex tachycardias, T-wave alternans, lead reversal, biventricular paced rhythms, syncope, etc.). This resource is for new or experienced emergency physicians, nurses, PAs, NPs, EMS, and medical students looking to improve their pattern recognition and knowledge of emergency ECGs.