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