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 repolarization ventricular depolarization atrial depolarization 1 Isoelectric line 2 complex 3 wave 4 positive deflection 5 interval 6 negative deflection upward deflection wave plus a segment downward deflection several waves that are measured together baseline or flat portion deflection away from the baseline 1 Bundle of His 2 Purkinje Fibers 3 Bundle Branches 4 AV Node 5 SA node 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 QRS Interval 3 R-R interval 4 QT interval 5 ST segment should stay at baseline less than 0.12 second 0.12- 0.20 second 0.36 to 0.44 second should be regular
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