('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'.
(..) for her this time. Maybe he'll come through for her this time. What the fuck is going on? - Someone call an ambulance! - Dad! - What's he doing here? - Violet, untie his hands. He's gonna be okay, Goldie. It went clean through. (..)1996 Foxfire