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. 2018 Feb 17;18(1):1–10. doi: 10.1016/j.tjem.2018.01.008

Fig. 11.

Fig. 11

Differentiation of J point elevation and/or ST segment elevation. Some examples of elevated J point or ST segment in early repolarization [ER] (column 1, 2, 3), pericarditis (column 4), acute myocardial infarction [AMI] (column 5), hypertrophy (column 6), left bundle branch block [LBBB] (column 7), hypothermia (column 8), AMI+LBBB (column 9), hyperkalemia (column 10) and Brugada syndrome (column 11). The ER pattern with horizontal ST segment elevation inferior (column 1) is thought to represent a higher risk for malignant arrhythmias. With permission from: Postema PG, Wilde AA. Do J waves constitute a syndrome? J Electrocardiol. 2013;46:461–5.