Healthcare and medicine

Heart Depolarization

  1. Membrane Potentials - Part 1
  2. Membrane Potentials - Part 2
  3. Permeability and Membrane Potentials
  4. Action Potentials in Pacemaker Cells
  5. Action Potentials in Cardiac Myocytes
  6. Reseting Cardiac Concentration Gradients
  7. Electrical System of the Heart
  8. Depolarization Waves Flowing through the Heart
  9. A Race to Keep Pace!
  10. Thinking about Heartbeats
  11. New Perspective on the Heart

Electrical System of the Heart See where the pacemaker cells start the electrical wave of depolarization, and how it gets all the way to the ventricles of the heart. Rishi is a pediatric infectious disease physician and works at Khan Academy.

Back

Electrical System of the Heart

⇐ Use this menu to view and help create subtitles for this video in many different languages. You'll probably want to hide YouTube's captions if using these subtitles.

Discuss the site

For general discussions about Khan Academy, visit our Reddit discussion page.


Flag inappropriate posts

Here are posts to avoid making. If you do encounter them, flag them for attention from our Guardians.

abuse
  • disrespectful or offensive
  • an advertisement
not helpful
  • low quality
  • not about the video topic
  • soliciting votes or seeking badges
  • a homework question
  • a duplicate answer
  • repeatedly making the same post
wrong category
  • a tip or feedback in Questions
  • a question in Tips & Feedback
  • an answer that should be its own question
about the site