Umpire suddenly collapsed during game; coach's, nurse's quick actions save his life (Jul. 2022)

"Rachel says the umpire collapsed from a number of things, including the heat and his diabetes". Why do people SUDDENLY and UNEXPECTEDLY collapse from heat and diabetes? Perhaps a huge injection in the room is not being mentioned as a possible cause?

Other article and video on same incident:

Coach and nurse save life of umpire who collapsed during Marietta baseball game
https://www.fox5atlanta.com/news/coach-nurse-save-life-umpire-collapse-marietta-baseball-game
https://www.youtube.com/watch?v=j5MODe2q9WU

SOURCE: https://longisland.news12.com/i-kind-of-just-sprinted-2-long-islanders-rush-to-rescue-umpire-who-collapsed-during-baseball-game