First Aid for Stroke

Tom boy with no luck. During the game, with his dog Archie, they ran into the yard and alien dog attacked the boy. As a result of Tom's wound, and quite serious. Quickly call the 911, the guy needs a doctor, but for now there is not a moment to lose. Shew him first aid: rinse and treat the wound, and then tape it and plaster wrap scarf. Moreover it should be easier.