Description: This stock medical exhibit describes the mechanism of a pulmonary embolism. The first image is an artist's interpretation of an actual CT scan which clearly shows a saddle embolus in the right and left main pulmonary arteries. The second image is a detail of the femoral vein, showing pieces of the clot breaking off and flowing toward the heart and lungs. The next two images show a cross section of the heart and lungs at both the time of the CT and at the autopsy, at which point complete occlusion of the pulmonary arteries has occurred.
Last Updated: Feb 14th, 2010
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