T1D’s are dead within 2m. Ditto anyone needing chemotherapy or antibiotics for anything. Burn victims either. And there will be a lot of those as people try to boil water, cook food over fires and just keep warm.
You stand a better chance than most. But your standard of living will revert to the early 1800’s. And if any of your equipment breaks you won’t be getting a replacement any time soon.
Oh well; we've been cheating Darwin BIG TIME anyway!