The Messenger of Allah ﷺ cauterized Saad bin Muaz's wound from the arrow that had struck him.
حدثنا عفان حدثنا حماد عن أبي الزبير
أن رسول الله ﷺ كوى سعد بن معاذ من رميته
Its isnad is sahih, mentioned previously in 14709.