There's been a few times recently where I've been revived and had a different kit than when I died. I thought that it was just that I had died on top of someone else and because my TS key was mapped to the "pickup kit" key, I was swapping. Turns out that may not be the case.
http://www.youtube.com/watch?v=nD_Wig1AhAs
http://www.youtube.com/watch?v=nD_Wig1AhAs