The Graphic Witness Medical Demonstrative Evidence -
Item #: exh4949a
This stock medical exhibit demonstrates bacterial endocarditis from trauma with damage to the aortic valve. The upper two images present aortic valve function in a normal and undamaged heart. On the upper left, the valve is open, allowing blood flow from the left ventricle to the aorta. At the upper right, the valve is closed, preventing back flow of blood into the ventricle. The lower two images show what happens when the aortic valve is damaged. In the lower left image, a bacteria infection on the valve inhibits it from functioning properly. At the lower right, the defective aortic valve is not able to close properly, allowing blood to flow back into the ventricle.
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Item #: exh4949a — Source #: 1048
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