Acceleration dependent – phase III – usually RBBB pattern
Deceleration dependent – phase IV – usually LBBB pattern
Ashmann’s phenomenon
Concealed trans-septal conduction
Premature excitation
Acceleration dependent – phase III – usually RBBB pattern
Deceleration dependent – phase IV – usually LBBB pattern
Ashmann’s phenomenon
Concealed trans-septal conduction
Premature excitation