I generally abhor hospital shows. My wife could recite Greys Anatomy lines as they're being said. You name it, she watches it.
The only halfway tolerable show I'd seen was House, and just because the guy was such a hilarious asshole to his staff and patients alike.
She started this one yesterday, and it was able to draw my interest away from my phone and actually give a shit what's happening.
I think the single shift format is the biggest hook, and everything seems pretty fast paced.
Some of the subject matter was pretty ****ing brutal, so it may not be for everyone.
I'm not easily bothered by things on TV but