Originally Posted by EricEnfermero
I've seen them used to try and make some veins pop up for a patient who is a really tough IV stick. Can't say I've ever seen it work too well...
I've used 'em up on my floor - success rate is about 50-50. I think with the heat, it also depends on what kind of pressure you use.
I like to use "wet", rather than 'dry' or 'damp' cloths because I think increasing local humidity stimulates vasodilation....