When Weaver is talking to the pro wrestler after he breaks the door open with his head, his left ear goes from being inside his head bandage to outside his head bandage in between shots.
Doyle and Lucy seem uncertain if they should honor Mr. Fong's wish that his mother not be informed of her cancer diagnosis. However they have no choice, doctors are ethically required to inform patients of their diagnosis and treatment options, even if Mr. Fong were his mother's healthcare advocate they would still be required to make her aware of her situation.
During the trauma with the young girl, just after he says, "We can take it from here," Dr. Greene's hand touches the piece of wrought iron fence sticking out of the girl's mouth. It moves quite a bit indicating that it is made of foam or rubber and not iron.