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Image Number 100 - Heart, left ventricle, dilatation

This is a saggittal view of the left ventricle, the left atrium, and the aortic outflow tract with its three cusps. Note that the ventricle is grossly dilated-compared to a normal ventricle and that the wall thickness is much less than the normal 1.5 cm. Such a heart is referred to as decompensated. Decompensation follows compensation for often unknown reasons. This is the anatomical basis of congestive heart failure and has several etiologies.

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