EKG MASTER CLASS 2014: INTERPRETATION OF AN EKG: What do you look for in an EKG? 1. VALIDITY : Name on EKG Indication for EKG Mirroring of Lead I and Lead aVR “R” Wave progression in precordial Leads 2. RHYTHM: Sinus or not, P present or not If P present sinus origin P or not P married to QRS or not 3. RATE: Regular or not If irregular, pattern Same rate or variable rate 4. AXIS: Vertical axis normal. Left or right or intermittent Horizontal axis same as before or now more clockwise or less 5. INTERVAL: PR normal, short or long RR constant or increasing QT normal or long 6. HYPERTROPHY: P waves tall, wide, bifid or normal Voltage criteria for RVH and LVH met or not 7. CONDUCTION : Normal QRS duration in V1 –V2 or not Normal QRS duration in V5-V6 or not Axis & hypertrophy compatible or not ,else should look for Hemi block . 8. PERFUSION: Ischemia or not (T Inversion) Injury or not ( ST depression) Infarction or not (ST elevation or q) Infarction ol...