Normal Heartbeat Animation


(Depending on size)

  • The normal resting heartbeat for an adult ranges from 60 to 100 beats per minute.
  • The heartbeat is initiated in the SA node; the electrical impulse then travels down the atrial pathway to the AV node and into the Bundle of His; it then travels down the interventricular septum and into the left and right ventricles by way of the bundle branches and Purkinje fibers.
  • This electrical activity translates into line tracings on paper during an EKG.

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