This dream may also represent your concerns regarding your well-being, or it may mean that you have become afflicted with an illness or injury. In addition, you should take great pains to evaluate an important aspect in your life.
To see an ambulance full of wounded passengers denotes your apprehension of discarding previous beliefs and feelings and replacing them with alternate ones. You are influencing others with your negative thoughts and emotions. In addition, it could indicate that you should reassess your choice of acquaintances. They may be affecting you in a negative way.
To dream that someone is hit by an ambulance suggests that you are carrying emotional wounds that need to be healed.