Healthcare and medicine

Preload and Afterload

  1. Why Doesn't the Heart Rip?
  2. What is Preload?
  3. Preload and Pressure
  4. Preload Stretches out the Heart Cells
  5. Frank-Starling Mechanism
  6. Sarcomere length-tension relationship
  7. Active contraction vs. passive recoil
  8. What is afterload?
  9. Increasing the Heart's Force of Contraction

Frank-Starling Mechanism Carefully follow 5 different preload scenarios to see how each one will have a different effect on how actin and myosin line up. Rishi is a pediatric infectious disease physician and works at Khan Academy.

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Frank-Starling Mechanism

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