Please don't respond to provocation by taking the thread into full out nationalistic flamewar. That's the last thing we need or want here, and it breaks most of the site guidelines:
US is a great country for many things, but having any serious health problem putting you in financial jeopardy (or throwing you in an inextricable administrative maze to dodge high and cryptic charges) in ridiculous for a "great" country.
Having a life-threatening condition is already scary enough that you don't also have to dread bankruptcy at the same time.
If you have any life threatening condition, go to the ER of any of your local hospitals and receive great medical care.
If you didn't pay for insurance, you'll pay for the services rendered directly.
People buy car insurance and home insurance and life insurance and disability insurance to pay for catastrophic incidents related to those things.
Health insurance should similarly be for catastrophic events, but unfortunately it's come to be responsible for all care, even routine care. The introduction of third party payments is a root cause of pricing difficulties.
Outside the United States in many of these "single payer" countries, you will have rationed care, whether that's in use of archaic procedures or medicines, or waitlists, or outright denial of service.
At least in the United States you can get whatever you need without much waiting.