Did they dress the EMS professionals in navy surplus ducks, or was that the fashion of the day?

The driver appears to be delighted that this old piece of tin is finally not his problem any longer.

The damages to the front driver's side and is aft looks like it was hit twice.

With what look like tin cans of coffee scattered about the crosswalk I wonder if some unsuspecting pedestrian, with a bag of groceries, may have contributed to this mishap?

I'd say it's mortally wounded.

Can anyone identify the coachbuilder? Looking at the window frames, it could be S&S:

Looks like no one is very upset about this bone crunching accident, except maybe the guy who was being transported. Maybe he decided it was safer just to walk to the hospital.

But what happened to the patient?

When I search images I see both with round or square parking lights. This one looks like the parking lights are square so I'm not sure which year it is. This picture says its a 1947 but the parking lights are round. The light and siren on top look exactly the same though.

[The 1948 Cadillac Commercial Chassis also wore this body style (which was used until 1950 on Series 75 cars). The block letters on the fender indicate 1946. - Dave]