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|Description||A computer model is described that simulates the cardiac cycle of a mammalian heart. The model emphasizes the pressure-volume plot as a teaching tool to explain the behavior of the heart as a pump. It exhibits realistic responses to changes in preload, afterload, contractility, and heart rate while displaying time-dependent changes in pressure and volume in addition to the pressure versus volume plot. It differs from previous models by graphing these parameters on a beat-to-beat basis, allowing visualization of the dynamic adaptation of the pumping heart to various stimuli. A system diagram is also included to further promote student understanding of the physiology of cardiac function. The model is useful for teaching this topic to medical, graduate, or undergraduate students. It may also be used as a self-directed computer laboratory exercise.|
|Type of Resource||Journal article/issue|
|Format||Web Page - HTML|
Michael Davis, Texas A&M University
Robert Gore, University of Arizona Health Science Center
Undergraduate lower division (Grades 13-14)
Undergraduate upper division (Grades 15-16)
Professional (degree program)
|Arterial pressure and circulation, Cardiac cycle, Cardiac function, Cardiac output and venous return|
|Learning Time||2-3 hours|
|Type of Review||Reviewed By Journal Board|