Absolute-Relative & Non-Refractory Periods

Image of refractory period chart
  • Non-refractory Period - the time when a stimuli can depolarize myocardial tissue.
  • Absoulte refractory Period - the time when myocardium is unresponsive to any stimuli.
  • Relative Refractory Period - the time when a stimuli might induce a depolarization.