I don't have an exhaustive inventory of who has first aid experience, unfortunately. Jetshard is the only other medical professional I know of, but I haven't spoken to most of the new arrivals yet.

[We're just assuming this is pre-Mercying for now.

A color-shifting glow forms around Strange's hands holding Kana's as they concentrate, flowing into the would and healing it up, muscle before skin, not taking the chance of sealing infection inside.]

There you go, that should do.