Via Reddit by user Alexnreese. Go read the description of his ND. I thank him for being brave enough to admit the screw up and to use himself as teaching moment.
Hornady Critical Defense at point-blank .45 ACP. More pictures with descriptions, from The Bang Moment to leaving the hospital can be found here.
Bone was broken & arteries were damaged. This was a no-shit-could-have-been-killed event.