Sokolow-Lyon Index Sponsored Advertising placement Sokolow-Lyon Index Clinical Decision Tool Calculates the Sokolow-Lyon ECG voltage criterion for left ventricular hypertrophy. S wave in V1 mm Larger R wave in V5 or V6 mm Calculate Sokolow-Lyon Index Clear Calculator ☆ Log in to save Save this calculator to your MDPDA account. + Add to Toolkit Log in to save incomplete calculator progress and return later. Log in to save progress Clinical Decision Support Only MediCalc calculators are intended to support qualified healthcare professionals and must not replace professional clinical judgement. Do not enter patient-identifiable information into Saved Progress. Read our Clinical Disclaimer Sponsored Advertising placement