Emergency Medical Kits Dog Medical Emergencies?

Dog medical emergencies? - emergency medical kits

Have you ever had a dog first aid?
Have you rescued a dog, first aid kit?

Note: I mean, "do it yourself" instead of veterinary care, but do not know how to react and have the resources to get the dog to the vet to make a state a little safer. (Bandages Bleeding, knowing that, the Heimlich maneuver, etc.)