The ECG is the "gold standard" diagnostic technique for the evaluation of cardiac arrhythmias, conduction disorders, and pre-excitation syndrome, as well as being essential for the diagnosis and evaluation of myocardial ischemia and acute myocardial infarction. This landmark text provides a clear and comprehensive analysis of the relation between these ECG abnormalities and different heart diseases. Diagnostic aspects are emphasized more than the electrophysiologic mechanisms underlying the ECG images, making this text especially relevant for the clinician. Extensive illustrations help explain the main ECG phenomena and accompany every arrhythmia. This indispensable reference, written by a prominent cardiologist, will help readers learn easily and in a well organized fashion, the diagnostic principles of clinical electrocardiography, and provide them with the basic knowledge that will allow them to resolve most of the problems they encounter.