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