Semantic Confusion:The Case of Early Repolarization and the J Point

Early repolarization and J point are classic electrocardiographic terms that have been co-opted. Although we agree with Surawicz and Macfarlane that these terms require standardization,the major commercial electrocardiography programs currently measure ST elevation at the traditional J point or QRS end and do not classify J waves or slurring for the statement of nonspecific ST elevation or “early repolarization.” Furthermore,although J waves or slurs have been noted to occur along with ST elevation as part of classic early repolarization,the clinical focus has been on ST elevation because it also can be confused with myocardial injury or ischemia and pericarditis ().
The American Journal of Medicine

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