 What that looks like is you have an ER that ramps up with people lined up 20 deep, right? And you go out and you basically say, kind of like on TV, okay, who's here for dialysis, right? He says his department has seen nearly double the patients as normal. It's a problem hitting ERs more often as climate change is making hurricanes more dangerous and heat waves hotter. Alejandra Borunda, NPR News. You're listening to NPR News from Washington.