calipers
understanding intracardiac egms and ecgs
this practical how to manual for interpreting electrograms and understanding how they relate to the more easily understood obtained electrocardiogram ecg is designed to be used in electrophysiology laboratories and during preparation for certification tests . clear enough to be understood by the novice this inexpensive paperback is suitable for use by nurses and cardiovascular technicians working in the electrophysiology laboratory as well as physicians who are interested in practical aspects of electrophysiology . written by an award winning teacher it offers short succinct chapters with bullet point summaries and review questions to aid retention .