CONDITION AND ITS EKG FEATURESEKG Anterolateral myocardial infarction ST segment elevation in leads V2-V5 in an acute infarction Absent R wave in V2-V5 (QS wave) T wave inversion in leads V2-V5 in an old or evolving infarction Q waves in leads I, aVL and V6 along with ST segment elevation in these leads is consistent with presence of additional infarction in the high anterior lateral wall