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Hope this helps!
The paramedics will first do the ABCs: Airway--make sure there is nothing blocking the windpipe) Breathing--make sure breathing is okay and start oxygen) Circulation--A heart monitor will be placed to watch for rhythm disturbances. They’ll check blood sugar. An IV line will be started along with fluids. This is mostly to have IV access for whatever needs to be given. The fluid will contain dextrose (sugar) and saline (salt). The paramedics will gather any obvious drugs, ask bystanders for history—what happened. With illicit drugs, most of the time witnesses don’t offer much.
I've put down "The choking damaged his vocal chords" in a scene. Can that actually happen?
If so, could it lead to never regaining speech? If not... how can I make it happen?
I wasn’t sure what kind of choking you planned to use, so here are both:
External choking (strangulation, homicidal or otherwise) can cause damage to the nerves that supply the vocal cords. It can also cause fracture of the cartilage that surrounds/protects the vocal cords or separation/tearing of these cartilages.
Two possible consequences of this type of choking:
1) Vocal cord weakness—this results in hoarseness and early “voice fatigue” when speaking.
2) Vocal cord paralysis—victim can’t speak, and has trouble protecting airway from secretions like saliva and postnasal drainage.
I’ve included a color drawing to help you visualize the anatomy.
*Diagram courtesy of www.dmacc.edu