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Walk the Even Hospital Database by book and chapter — the raw source passages that ground Ask, DDx, and the rest.

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contentuptodate· Content· item f13_47_14069

©2013 UpToDate ® Print Email Anterior anal sphincter damage Anal ultrasound scan of a woman with anterior sphincter damage due to obstetrical complications. The top of the figure is anterior. There is disruption of the muscles of both the internal anal sphincter (small arrows) and the external anal sphincter (large arrows).