Donnie

Donnie is a patient who came into the ER after being stabbed by his mother, Louise.

History
Donnie came into the ER after being stabbed in the abdomen. The paramedics believed he was a home invader who had been stabbed by the homeowner, but he told the doctors the woman who stabbed him was his mother, Louise, who has dementia. He was her caregiver and she was confused and didn't know he was her son when she stabbed him.

He was taken into surgery and afterward, Bailey said he'd pull through.

Familial
He takes care of his mother, Louise, who has dementia.

Notes and Trivia

 * He was the last patient treated on-screen by Callie Torres.