As you make changes to the image, you may want to undo some of the changes and start over with a previous version of the image.
To undo the last change you made to an image
In the Patient Picture toolbar, click the Undo Change button .
To return an image to its last saved state
In the Patient Picture toolbar, click the Undo All button .
Clicking Undo All removes all the changes made following the last time you saved the image.