Awesome thing is if you have ubiquitous scanning equipment like that, then you could just snap a pic like you said and send it to a doc in a box or Über advanced future google AI will tell you what's wrong and where the closest aid station is with directions and price estimate of treatment.
A while back I had a glitch, the one were the weapon attachments and stuff were sticking to you and moving around in odd ways. I had the rifle scope stuck to the side of my head in a fixed position. If you looked at it from the right angle it looked like I had a Predator Shoulder Plasma Cannon...
It's big, and it's 1000 year in the future tech. Maybe it's big because it's super tough and can see the whole EM spectrum as well as do X-ray scanning, MRI scanning, and electron scanning and has super telescope and microscope zoom.