View the demo with wolfcam and you can clearly see, that the guy who I revive (player id:03) does not revive the first guy who died. Both guys come up with the same needle.
discuss
the medic who died last was going to revive the other medic, but died, and you revived him, and he than revived the other one. but yeah it looks nice :D
i dont have wolfcam, but you can see that your xp increases by 4 and that medic you revive also gets an xp bonus. it could be somesort of bug, that he died at the same time when he pressed attack with that needle, and revived automatically, after got revived. it wouldnt be the first bug in et :)
I revived two of my 
teammates with just one 
needle. 
guy who died. Both 
"I WANT TO FLY AWAY!"
NEKOCATHOLOCAUST !!!