I guess it was something I read that made me think about this topic. Perhaps it was using the chain saw, although I've never had any accidents--life threatening, anyway.

I've never been involved in any major vehicle accidents, but I came close to having a "head-on" collision with a semi-truck late at night when I fell asleep at the wheel. His horn blast woke me up! I swerved at the last possible second!
Close call.

I've been hospitized several times with hernia operations, but the biggest scare was when I had a routine colonoscopy at age 60, and they found an obstruction. Further xrays detected colon cancer--or so they thought. Upon hearing that diagnosis and prognosis, I thought I was done for. However, after surgery, it was nothing more than a twisted colon. I lost two months of summer recuperating, but I didn't die of cancer. Since my mother died of peritonial cancer two years prior, they assumed I was genetically prediposed to get it too. Wrong (so far).

I had some major concussions when I was a kid, susceptible to accidents--falling down and banging my head. I never could take a punch. But other than that, I can't think of any other near death experiences. Can you?