The severity and location of conduction system abnormalities correlated with the severity and location of associated structural heart disease ... significantly affects normal CCS patterning ...

One pathway is slower and has a long refractory period while the other is faster and has a short refractory period. Normal conduction occurs through the faster pathway with the longer refractory ...

One pathway is slower and has a short refractory period, while the other is faster and has a long refractory period. Normal conduction occurs through the faster pathway with the long refractory ...