('disapproving') She had a reputation for being an 'ambulance chaser'. [=a lawyer who gets clients by convincing accident victims that they should file a lawsuit about the accident]
She was taken 'by ambulance' [=in an ambulance] to the hospital.
They called (for) an 'ambulance'.
(..) - I will. John? - Oh, my God! You're covered in blood. - It's not mine. Go back inside and call an ambulance, right now. Go! operator. I need an ambulance. What's your location? Gardner Road. In Santa Monica? (..)2014 Annabelle