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