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Cardiac Contractility

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This video presents heart contractility and the factors influecing it namely: Heart rate Bowditch/trepp Post extrasystole Stretch Sympathetic system Parasympethetic system Cardiac glycosides (digitalis)

In this video we will learn about :

1. Heart contractility. 

2. Postive stair case and post extrasystolic potentiation. 

3. Effect of heart rate in contractility.

4. Effect of stretch.

5. Effect of sympathetic system.

6. Effect of parasympathetic system.

7. Cardiac glycosides, mechanism of action and effects. 

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