[Well that's a little ominous considering Ratchet legitimately can't tell yet if Wash actually likes him or is still politely tolerating him, but Miles keeps talking so whatever he said can't be all bad. What Miles is saying, however, is definitely extremely bad. Ratchet hisses out a soft breath through his teeth and rocks back a little, his hands slowing but not stopping as he sorts supplies.]

That is... not good. Which isn't the thorough, detailed, and highly technical medical opinion you were hoping for, I'd wager, but without the right equipment it's going to be difficult for me to figure out what to do about it at all, let alone what I can actually manage with what we've got. Do you know what causes them?