Khan Academy
Khan Academy: Preload and Afterload: Frank Starling Mechanism
Carefully follow five 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. [14:18]
Khan Academy
Khan Academy: Changing the Pv Loop: Stroke Work in Pv Loops and Boxes
Watch how PV loops can be "morphed" into PV boxes to make drawing them and thinking about them much simpler. Rishi is a pediatric infectious disease physician and works at Khan Academy.
Khan Academy
Khan Academy: Changing the Pv Loop: Arterial Elastance (Ea) and Preload
Understand how EA is affected by changes in preload, and in turn, how the PV loop can shift. Rishi is a pediatric infectious disease physician and works at Khan Academy.
Khan Academy
Khan Academy: Preload and Afterload: What Is Afterload?
A video exploring the definition of preload and afterload as it relates to the study of the heart. Understand that preload is the stretch of the heart at the beginning of systole while afterload is the squeeze at the end of systole. [10:27]