After you dial 911 for a serious injury and hang up, something most people never see begins to move: a trauma system built to keep a badly injured person alive. This episode of First 5 Minutes is about that system, and why where a patient is taken can matter as much as how fast.

The show draws on the work of Dr. Alexander Eastman, a trauma surgeon and EMS physician who led the Rees-Jones Trauma Center at Parkland Memorial Hospital in Dallas, serves as a reserve lieutenant and Chief Medical Officer with the Dallas Police Department, and contributed to the Hartford Consensus, the national effort behind Stop the Bleed.

In this episode:

• What a 911 dispatcher is really doing, and why the details you give matter
• The decision most people don't realize EMS crews make: not just how fast, but where
• Why the nearest hos ...