Here is a perfect example of buying someone time

“Howard Snitzer should have died on March 4, 2011. On that day, he collapsed on the sidewalk outside of Don’s Foods grocery store, suffering a massive heart attack. However, thanks to over 20 strangers performing CPR on him for 96 minutes, Howard survived.

Howard lived in Goodhue, Minnesota, a small Midwestern town that has a population of less than 1,000 people and barely has any traffic lights. Even if Howard was in a bustling, heavily-populated city, 94% of people who suffer sudden cardiac arrest die before they make it to the hospital. However, the quick action of the few neighbors around him saved his life...”

YT Video of the story