"Once you're settled, I'll take care of myself, I promise." Natasha worked quickly, working the shrapnel out of Sansa's breast and doing her best to sterilize the wound. The worst part was the stitches. The kit came with sutures and while Tasha wasn't trained in them, she had recollection of stitching up her own wounds in that other world more than once.
In some part of her mind she thought she ought to talk the writers into letting her character do that some time.
Wounds taken care of, Tasha wrapped Sansa in the blanket and tried to rub warmth back into her. There had to be something nearby she could use to get a fire going...