<unk>  also known as<unk><unk>  (abbr.: BER) is found on ECG in about 1% of those with chest pain. It is diagnosed based on an elevated J-point / ST elevation where the ST segment is concave up. It is believed to be a normal variant.<unk>  that occurs as some patterns is associated with ventricular fibrillation. The association, revealed by research performed in the late 2000s, is very small.
Benign early repolarization
AV nodal reentrant tachycardia
Wandering atrial pacemaker
Drug-induced QT prolongation
Atrioventricular reentrant tachycardia
Junctional ectopic tachycardia
Catecholaminergic polymorphic ventricular tachycardia
Pre-excitation syndrome