Early repolarization in clinical practice. A: Example of ER pattern “notching tipe” in Inferior-lateral leads (D2, D3, aVF, V5, V6). Width: 1 mm; B: Example of ER pattern “slurring tipe” in lateral leads (D1, aVL, V5, V6). Width: 1 mm; C: Example of ER pattern “notching tipe” in Inferior leads (D2, D3, aVF). Width: 1.5 mm; D: Example of ER pattern “notching tipe” in lateral leads (V5, V6). Width: 1.8 mm. ER: Early repolarization.