I hope everything turns out ok. Please keep us posted on how it goes. Wish him good healing.
Lyme patients can have hypercoagulation issues. They will certainly test him for it.
you can have a look here:
www.betterhealthguy.com/klinghardt-conference-lyme-and-other-chronic-infectionslook under David Bergs, MS, FAHA
www.anapsid.org/cnd/diffdx/hypercoagulation.htmla rather old article
Marie