Relier Pairs Ch. 8 Cardiac Conduction Version en ligne Cardiac Electrical System par Linu John 1 QRS Complex 2 P wave 3 T wave atrial depolarization ventricular repolarization ventricular depolarization 1 wave 2 complex 3 negative deflection 4 positive deflection 5 Isoelectric line 6 interval several waves that are measured together upward deflection deflection away from the baseline wave plus a segment baseline or flat portion downward deflection 1 Bundle Branches 2 SA node 3 AV Node 4 Purkinje Fibers 5 Bundle of His 60-100 bpm 40-60 bpm (step after SA node) 40-60 bpm (named after a MD) 40- 60 bpm (has two routes) 20-40 bpm 1 PR Interval 2 R-R interval 3 QRS Interval 4 ST segment 5 QT interval 0.36 to 0.44 second should be regular should stay at baseline less than 0.12 second 0.12- 0.20 second