Q. Which of the following is the correct pathway for propagation of cardiac impulse?

Question ID: 26986
  1. SA node ® AV node ® Bundle of His ® Purkinje fibers
  2. AV node ® Bundle of His ® SA node ® Purkinje fibers
  3. SA node ® Purkinje fibers ® AV node ® Bundle of His
  4. Purkinje fibers ® AV node ® SA node ® Bundle of His


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