Dr Wendi’s Health

The Cardiac Cycle

The Cardiac Cycle

This video describes the external and internal structures of the heart and the order of events in one cardiac cycle.

Time Stamps

Heart is in the thoracic cavity 0:11 

External Cardiac Anatomy 0:34 

Coronary blood flow 2:18 

Blood flow is in parallel circuits 3:05 

Layers of the cardiac wall 4:02 

AV valves and the chordae tendinea 6:17 

Systole and diastole 8:00 

Heart sounds 8:18 

Stroke volume 8:48 

Cardiac cycle 9:44 

Valves in transverse view 12:32 

Summary Chart of order of structures in 1 cardiac cycle 13:00 

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