Even after she's clocked out, Sarah Lewin keeps a Ford Explorer outfitted with medical gear parked outside her house. As one of just four paramedics covering five counties across vast, sprawling eastern Montana, she knows a call that someone had a heart attack, was in a serious car crash, or needs life support and is 100-plus miles away from the nearest hospital can come at any time.
"I've had as much as 100 hours of overtime in a two-week period," said Lewin, the battalion chief for the Miles City Fire and Rescue department. "Other people have had more."
Paramedics are often the most highly s...