Pressure Volume Diagram
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A pressure volume diagram (or P-V diagram, or volume-pressure loop)) is used to describe a thermal cycle involving the following two variables: Volume (on the X axis) Pressure (on the Y axis) This is in fact enough information to fully describe a simple system from a thermodynamic standpoint. The diagrams are useful when one wants to calculate the work done by the system, the integral of the pressure with respect to volume. One can often quickly calculate this using the PV diagram as it is simply the area enclosed by the cycle. In cardiovascular physiology, the diagram is often applied to the ...
A pressure volume diagram (or P-V diagram, or volume-pressure loop)) is used to describe a thermal cycle involving the following two variables: Volume (on the X axis) Pressure (on the Y axis) This is in fact enough information to fully describe a simple system from a thermodynamic standpoint. The diagrams are useful when one wants to calculate the work done by the system, the integral of the pressure with respect to volume. One can often quickly calculate this using the PV diagram as it is simply the area enclosed by the cycle. In cardiovascular physiology, the diagram is often applied to the left ventricle, and it can be mapped to specific events of the cardiac cycle. PV loop studies are widely used in basic research and preclinical testing, to characterize the intact heart's performance under various situations (effect of drugs, disease, characterization of mouse strains)
