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