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