> >Yes, it's good to start with a relatively simple model (mainly external
> >cooling, which is presumably the most important), and expand from
External cooling is negligeable if you can cool by liquid ventilation or peritoneal lavage. External cooling alone is much too slow to prevent damage.
> >there (add cryovent, ways to inject medication and finally perfusion
> >equipment). That would certainly be a useful thing to do for local groups.
> We might do good to ask any cryonics or cryobiology expects if anyone
> has already done some work on this. Even if they have, there's no
> reason not to also try inventing something like this.
There might be a fieldable liquid CPR unit forthcoming. You _need_ surgery for perfusion though, so there is no point in having a machine.