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8. Cardiac Mechanics

  • Frank B. Sachse
Part of the Lecture Notes in Computer Science book series (LNCS, volume 2966)

Abstract

The heart acts as a cyclically working pump with the task of transporting blood in the body. Primarily responsible for this transport is the contraction of the heart’s dominant structures, the left and right ventricle, which are composed of myocardial walls surrounding a cavity. The cavities are normally filled with blood and change their volume by the contraction. Resulting from this change of volume is the pumping of blood through vessels into the body. The returning blood is collected in the left and right atrium, which are built up similar to the ventricles, but with less pronounced myocardial walls. Afterwards, the blood is transported to the ventricles. The blood transport in the atria is supported by active suction of the ventricles. Different valves control the blood flow and prevent re-flow.

Keywords

Sarcoplasmic Reticulum Strain Energy Density Sarcomere Length Intracellular Calcium Concentration Myosin Head 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2004

Authors and Affiliations

  • Frank B. Sachse

    There are no affiliations available

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