Photos, my most common reaction to photos with amputation is "wow, where'd you find that?" but otherwise I couldn't really care.
Movies....... i enjoy them, i try to add little details i think might help it better but otherwise, graphic gore etc.... i find amusing or just meh to be perfectly fair.
Words/stories Well, iv'e seen quite alot of gore irl, so i'm quite "cold" when discussing injuries, gore and so on. So no emotion/reaction form me there.
Well IRL.... i've seen bones coming out of my friends' arms, blood poor down my face from my forehead been eradicated by glass and shelves, car crashes out side my house (1 guy had his arm partly severed) and basically alot of gore. My reaction however is one more like pity, not disgust.
also: I've seen photos of my own operations (and 1 vid) which made me really seriously think about how lucky i am to be alive :s