Romhilt-Estes Score

ECG Criteria	Points
Voltage Criteria (any of): R or S in limb leads ≥20 mm S in V1 or V2 ≥30 mm R in V5 or V6 ≥30 mm	3
ST-T Abnormalities: ST-T vector opposite to QRS without digitalis ST-T vector opposite to QRS with digitalis	3 1
Negative terminal P mode in V1 1 mm in depth and 0.04 sec in duration (indicates left atrial enlargement)	3
Left axis deviation (QRS of -30° or more)	2
QRS duration ≥0.09 sec	1
Delayed intrinsicoid deflection in V5 or V6 (>0.05 sec)	1