Cardiac Cycle

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Cardiac Cycle

The heart has a dual-pump action with two separate pumps that work simultaneously to pump blood to two different destinations. The right side pumps deoxygenated blood towards the lungs and the left side pumps oxygenated blood towards the rest of the body.

The cardiac cycle represents the mechanical events of one heartbeat. One complete cycle lasts approximately 0.8 seconds and consists of diastole and systole.


  • Both atria fill with…


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