Long story short, I came across some
old ancient infrared flash bulbs and a 15-years-expired (but refrigerated) roll of very low ISO infrared film. So, after doing a little bit of research and some sloppy math, I experimented.
I wanted to see if with the film and bulbs I could see bruises or veins near the skin on a persons body. So, with the help of Paige and her injured foot and Sarah and her injured knee, these are what resulted:
(click to view larger on flickr)
It's subtle, but it works.
Mamiya C220
Mamiya-Sekor 80mm f/2.8 TLR lens
Konica Infrared 750nm ISO12 120 film (expired in 1993)
General Electric Photoflash Blackout flash bulbs (on the first)
Vivitar 285HV with deep red gel - 4 pops (on the second)