Early Repolarization Revisited

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Abstract
For more than 60 years, physicians have been fascinated by a peculiar electrocardiographic pattern called “early repolarization.”1 When Google is queried, more than 1 million hits turn up on this subject. Although Boineau recently described the electrocardiographic features of early repolarization as being quite diverse,2 such features have one factor in common: slurring or notching that produces a positive hump, called a J wave, is found at the junction at the end of the QRS complex and the beginning of the ST segment. However, the location of the electrocardiographic leads showing the J wave may vary among patients, and dynamic . . .