Cardiac Cycle/Ciclo Cardíaco

Cardiac Cycle/Ciclo Cardíaco


This lesson will explain the steps that occur when your heart muscle contracts. It will investigate the cardiac cycle and the cardiac conduction system.

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En esta lección vamos a discutir los procesos que ocurren en el ciclo cardíaco.

Terms to Know
Cardiac Cycle

All of the events that occur during one heart beat that drive blood flow into and out of the heart; a series of well-timed pressure and volume changes within the chambers of the heart that drive blood flow throughout its chambers.


A term used to describe a decrease in pressure and work; measured in millimeters of mercury (mmHg).


A term used to describe an increase in pressure and work; measured in millimeters of mercury (mmHg).