CONDITION AND ITS EKG FEATURESEKG Normal EKG with horizontal axis Upright P and T waves in lead I PR > 0.20 sec Duration of q > 0.02 sec in leads I and aVL Frontal plane QRS vector 0-90 degrees. Precordial progression from r in V1 to R in V5 and V6. Concordance of T with QRS. QTc > 0.44 sec
