I have been working as an LPN in a dialysis unit for over 3 years. I really do love it. Everyone is right though when they say it's physically demanding. Also you get very attached to your pt's which is good but very sad at times. My unit is a non-pofit organization which is great because everything comes back to our units. We have a very beautiful 12 station unit. I would say you never know until you try it. It is definately an area of they don't teach you much about in school so every one that walks through the door starts out knowing about the same.