otisla sam malo istraziti sto kazu na netu - na dosta mjesta sam pronasla upute za lovenox (izgleda da je "najpopularniji" na engleskom govornom podrucju pa ima i najvise uputa)- injekcije se daju u trbuh, u masno tkivo (kazu nikako u misice jer ostavlja modice) i za takvo davanje kazu da se ne istiskuje zrak:
Q: May I inject anywhere other than the abdominal area?
A: No. LOVENOX® should be injected into the fatty tissue only, which is why the abdomen is the recommended injection site. It is important not to inject LOVENOX® into the muscle, as it can cause you to bruise, which can be uncomfortable.
...
Q: What should I do if there is an air bubble in the syringe?
A: Every syringe comes with a small air bubble. DO NOT expel the air bubble unless your doctor instructs you to adjust your dose. It’s safe to give yourself the injection, even with the air bubble.

Izvor: http://www.lovenox.com/consumer/pres...venox/faq.aspx

Na drugom mjestu, isto kod uputa za davanje u trbuh zena objasnjava:
"Air bubbles are ok and preferable..they help distribute the lovenox into the fat, so don't get rid of the air bubble. If you have to push out some because your dose is less than the syringe contains, gently tap the syringe against your hand to knock off the drip afterwards (don't touch the needle). "

mackulina, ako su tebi izricito rekli istiskivati zrak i davati u nogu, onda zrak istiskuj, no kod davanja u trbusno masno tkivo se izgleda to ne radi.

Sretno