('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 have to call --. No! I have to. No! Hi, --? Um, we need an ambulance. I hate myself! My name is Hazel Grace Lancaster. (SOBBING) Please hurry. We're in a silver Jeep at (..)2014 The Fault in Our Stars