People in big, sparsely populated states like Montana rely on air ambulances to get to medical specialists they need. But the lifesaving flights can be hugely expensive and not covered by insurance.
Kevin Hazzard, who worked as an Atlanta paramedic, rescued people from choking, overdoses, cardiac arrest, gunshot wounds and a host of other medical emergencies. Respiratory calls were his favorites.
In Iraq and Afghanistan, Army medics got really good at treating wounded troops. Scientists want to adapt these new technologies and tricks to help injured people in poor countries.
Every victim who arrived at a hospital alive survived the attack. But hospitals say the experience also revealed room for improvement, and they're about to share the lessons they learned at a national conference in Washington, D.C.