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Thank you very much for the clarification!

I'm from another country with experiences and recently got a license in the U.S. Hand dripping was common in my country and I'm not familiar with the IV piggyback we do here in the U.S. so please let me ask. Pt has one IV line and is receiving LR as continues IVF and there is an order of IVPB (incompatible to LR). In this case, I think I should set up IVPB with .9NS as a primary line, hold LR while I'm infusing the IVPB. Or insert another IV line then infuse LR from one line and infuse IVPB from another line. My preceptor set up IVPB with .9NS as a primary line, connecting the tubing to the LR's line below the IV pump, and started both at the same time. IVPB will be mixed with LR in this case. please let me know which scenario is right. Thank you,