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