Healthcare and medicine

Changing the PV Loop

  1. What is Preload?
  2. What is afterload?
  3. Increasing the Heart's Force of Contraction
  4. Reimagine the Pressure Volume Relationship
  5. What is Contractility?
  6. Getting Ea (Arterial Elastance) from the PV Loop
  7. Arterial Elastance (Ea) and Afterload
  8. Arterial Elastance (Ea) and Preload
  9. Stroke Work in PV Loops and Boxes
  10. Contractility, Ea, and Preload Effects on PV Boxes
  11. Pressure-Volume Boxes

Arterial Elastance (Ea) and Afterload First, learn the difference between arterial elastance (Ea) and afterload. Then, understand how Ea is affected by changes in afterload, and in turn, how the PV loop can shift. Rishi is a pediatric infectious disease physician and works at Khan Academy.

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Arterial Elastance (Ea) and Afterload

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