She leaves him there for a bit, or rather, as long as she needs to put away her utensils.

Giving the feeling of the sewn up wound a bit to settle before he notices everything as well as giving him the chance of coming back to it at his own pace.

If he doesn't notice her moving around, she'll speak up after a bit. "We're done. Make sure to keep the area clean - disinfectant will do a good job, if you get something on it - for the next couple of hours, so it can settle." They can't be careful enough with this. Not if they can't send him on to the next doctor or ply him with antibiotics if something happens.