ST-segment changes* (≥ 1 mm)
Depression or elevation
Ventricular strain patterns
	Right ventricular hypertrophy
	Left ventricular hypertrophy
T-wave changes*
Inversions—secondary to strain or old injury
Conduction abnormalities
Left bundle branch block: ST-segment and T-wave changes
Right bundle branch block: ST-segment and T-wave changes (in V1, V2 and V3 leads only)
Prolonged QT interval